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Topic 4: Bonding

カード 114枚 作成者: chunchukee (作成日: 2016/06/14)

  • Positive ions are formed when atoms…

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  • 1

    Positive ions are formed when atoms...

    補足(例文と訳など)

    答え

    • lose electrons
    • 誤答選択肢 steal electrons
    • gain electrons
    • share electrons

    解説

  • 2

    Negative ions are formed when atoms...

    補足(例文と訳など)

    答え

    • gain electrons
    • 誤答選択肢 lose electons
    • gain electons
    • share electons

    解説

  • 3

    what is ionic bond?

    補足(例文と訳など)

    答え

    • electrostatic attraction between oppositely charged ions
    • 誤答選択肢 electrostatic attraction between metals and non-metals
    • intermolecular forcebetween metals and non-metals
    • intermolecular force between oppositely charged ions

    解説

    it occurs between metals and non-metals, but the most accurate answer is "between oppositely charged ions"

  • 4

    What is Electronegativity?

    補足(例文と訳など)

    答え

    • measure of the attraction of an atom for a bonding pair of electrons
    • 誤答選択肢 degree of the repulsion of an atom for a bonding pair of electrons
    • measure of the electrostatic attraction between atoms
    • degree of the attraction between electrons

    解説

  • 5

    Difference in electronegativity in ionic bonding is...

    補足(例文と訳など)

    答え

    • greater than or equal to 1.8
    • 誤答選択肢 greater than 0.5
    • greater than 1.8
    • greater than or equal to 0.5

    解説

  • 6

    Ionic bonds form between

    補足(例文と訳など)

    答え

    • metals and non-metals
    • 誤答選択肢 metals and metals
    • non-metals and non-metals
    • metals and plastics

    解説

    Usually, positive ions are metals, and negative ions are non-metals

  • 7

    Ionic Compounds: What is the formula of Potassium Bromide (K+, Br‐)

    補足(例文と訳など)

    答え

    • KBr
    • 誤答選択肢 -
    • -
    • -

    解説

  • 8

    Ionic Compound: What is the formula for Aluminium Oxide?

    補足(例文と訳など)

    答え

    • 誤答選択肢 -

    解説

  • 9

    Ironic Compounds: What is the formula of Zinc Phosphate?

    補足(例文と訳など)

    答え

    • 誤答選択肢 -

    解説

  • 10

    Ironic compounds: What is the formula for Iron (Ⅱ) Nitrite

    補足(例文と訳など)

    答え

    • 誤答選択肢 -

    解説

  • 11

    Ionic compounds have an ionic ________ structure

    補足(例文と訳など)

    答え

    • lattice
    • 誤答選択肢 covalent
    • complex
    • lettace

    解説

  • 12

    Explain lattice structure of ionic compound

    補足(例文と訳など)

    答え

    • the lattice is held together by the Electrostatic Attraction between the oppositely charged ions
    • 誤答選択肢 the lattice is held together by the Nuclear Forces between the oppositely charged ions
    • the lattice is held together by the Intermolecular Force between the oppositely charged ions
    • the lattice is held together by the Electrical Attraction between the oppositely charged ions

    解説

  • 13

    Do Ionic Compounds conduct electricity when solid? Why?

    補足(例文と訳など)

    答え

    • No, because ions are held in fixed position by strong electrostatic attractions
    • 誤答選択肢 Yes, because there is a gap between negative and positive ion
    • No, because ions are big enough to block electricity
    • Yes, because the electronegativity of ionic compounds are high

    解説

  • 14

    Do Ionic Compounds conduct electricity when molten (melted)?

    補足(例文と訳など)

    答え

    • Yes, because the ions are free to move and carry the electric current
    • 誤答選択肢 Yes, because water conducts electricity
    • No, because even though the compound is dissolved, the structure remains the same
    • No, because the ions are free to move and actively block the electric current

    解説

  • 15

    Ionic Compounds have ____ melting and boiling point due to the _______________

    補足(例文と訳など)

    答え

    • high, strong electrostatic attraction between the oppoositely charged ions.
    • 誤答選択肢 low, weak electrostatic attraction between the oppositely charged ions.
    • high, electrostatic attraction between the molecules
    • low, combination of metal and non-metal

    解説

  • 16

    Ionic compounds are soluble in ______ solvents.

    補足(例文と訳など)

    答え

    • liquid
    • 誤答選択肢 solid
    • gas
    • liqujd

    解説

    The ions are separated from the lattice structure The ions became surrounded by water molecules (Hydration)

  • 17

    What is Covalent Bonding?

    補足(例文と訳など)

    答え

    • electrostatic attraction between positive nuclei and shared pair of bonding electrons
    • 誤答選択肢 electrostatic attraction between negative nuclei and shared pair of bonding protons
    • electrostatic attraction between positive nuclei and shared pair of protons
    • electrostatic attraction between negative nuclei and shared pair of bonding electrons

    解説

  • 18

    Covalent bonding only occurs between...

    補足(例文と訳など)

    答え

    • non-metals
    • 誤答選択肢 metals
    • ions
    • heavy-metals

    解説

  • 19

    The electronegativity difference in Covalent compound is ...

    補足(例文と訳など)

    答え

    • between 0.0 and 1.7
    • 誤答選択肢 greater than or equal to 1.8
    • greater than 0.8
    • between 0.0 and 0.4

    解説

  • 20

    As number of shared electrons in covalent bond increases, bond strength ________, and bond length ________.

    補足(例文と訳など)

    答え

    • increase, decrease
    • 誤答選択肢 increase, increase
    • decrease, increase
    • decrease, decrease

    解説

  • 21

    What is Coordinate Covalent Bonds?

    補足(例文と訳など)

    答え

    • bonds when both shared electrons come from one atom
    • 誤答選択肢 bonds when the atoms are not filling the octet
    • bonds when 3 or more atoms are bonded together
    • bonds when it's ionic

    解説

  • 22

    What do you mean by Non-polar covalent? (state two)

    補足(例文と訳など)

    答え

    • equal electron sharing, electronegativity difference: 0.0-0.4
    • 誤答選択肢 unequal electron sharing, electronegativity difference 0.5-1.7
    • unequal electrostatic attraction ratio, electronegativity difference: 0.3-1.8
    • tilted atomic structure, electronegativity difference: 1.0-1.4

    解説

    equal sharing between cl and cl

  • 23

    What do you mean by polar covalent? (state two)

    補足(例文と訳など)

    答え

    • unequal electron sharing, electronegativity difference: 0.5-1.7
    • 誤答選択肢 equal electron sharing, metals are bonded to carbon atoms
    • equal proton sharing, electronegativity difference: 0.0-0.4
    • unequal electron sharing, electrostatic difference: 1.2-1.8

    解説

    unequal electron sharing

  • 24

    More electronegative atom has a ________ dipole

    補足(例文と訳など)

    答え

    • negative
    • 誤答選択肢 positive

    解説

  • 25

    Less electronegative atom has a ________ dipole

    補足(例文と訳など)

    答え

    • positive
    • 誤答選択肢 negative

    解説

  • 26

    The polarity of a molecules depend on .... (state two)

    補足(例文と訳など)

    答え

    • the presence of polar bonds, the geometry of molecule
    • 誤答選択肢 electronegativity of molecules, the shape of molecules
    • geometry of atoms, difference in electronegativity
    • number of bonds, the presence of polar bonds

    解説

  • 27

    Polar? Non-polar?

    補足(例文と訳など)

    答え

    • Non-polar
    • 誤答選択肢 Polar

    解説

    CH4 It only contains only non-polar bonds. No net dipole moment

  • 28

    Polar? Non-polar? (ignore the allows)

    補足(例文と訳など)

    答え

    • Non-polar
    • 誤答選択肢 Polar
    • Polar Bear
    • North-Pole

    解説

    The bond polarities cancel out due to the shape of the molecule No net dipole moment

  • 29

    Polar or Non-polar?

    補足(例文と訳など)

    答え

    • Polar
    • 誤答選択肢 non-polar
    • polor
    • non-polor

    解説

    C-Cl bond is polar It ha a net dipole moment

  • 30

    Polar or Non-polar?

    補足(例文と訳など)

    答え

    • Polar
    • 誤答選択肢 non-polar
    • porrar
    • yes-polar

    解説

    H-O bond is polar They have net dipole moment

  • 31

    What is Lewis Structure??

    補足(例文と訳など)

    答え

    • Diagram that shows all the valence electrons in a molecule
    • 誤答選択肢 Image that shows the structure of molecule
    • Diagram which shows the bonding in atoms
    • Structure invented by professor Lewis

    解説

    example of Lewis Structure

  • 32

    Most atoms are stable with ___ electrons in their valence shell

    補足(例文と訳など)

    答え

    • 8
    • 誤答選択肢 7
    • 6
    • 9

    解説

    OCTET RULE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • 33

    What are the exceptions of Octet Rule (state four)

    補足(例文と訳など)

    答え

    • H, He, Be, B
    • 誤答選択肢 C, K, Pb, Zn
    • Ti, N, K, O
    • Cl, I, S, Br

    解説

    Hydrogen (H)-2 electrons, Helium (He)-2 electrons, Beryllium (Be)-4 electrons, Boron (B)-6 electrons

  • 34

    How can I practice drawing Lewis Structure?

    補足(例文と訳など)

    答え

    • Open the study guide and just do it!
    • 誤答選択肢 Open MSJCHEM!
    • Ask Yuumi!
    • Watch You Tube!

    解説

    Practice! (p.23 in topic 4 booklet)

  • 35

    Name the theory used to predict the geometry of molecules

    補足(例文と訳など)

    答え

    • VSEPR theory
    • 誤答選択肢 VSPER theory
    • VPSER theory
    • VESPR

    解説

    Valence Shell Electron Pair Repulsion (VSEPR)

  • 36

    Usually, Elecron pairs ______ each other

    補足(例文と訳など)

    答え

    • repeal
    • 誤答選択肢 attract
    • steal
    • share

    解説

    linked to VSEPR theory

  • 37

    What does Electron Domain include?

    補足(例文と訳など)

    答え

    • Bonds & Lone pair of Electrons
    • 誤答選択肢 Bonds & Lone Electrons
    • Electrons & Protons
    • Lone pair of Electrons & Lone pair of atoms

    解説

    Electron Domain=Bonding Domains + Lone Pairs

  • 38

    VSEPR: Name molecular geometry 2 electron domains 2 bonding domains 0 lone pairs

    補足(例文と訳など)

    答え

    • Linear
    • 誤答選択肢 Bent (V-shaped)
    • Tetrahedral
    • Trigonal Pyramidal

    解説

    bond angle 180

  • 39

    VSEPR: Name Molecular Geometry Electron Domains 3 Bonding Domains 3 Lone Pairs 0

    補足(例文と訳など)

    答え

    • Trigonal Planar
    • 誤答選択肢 Linear
    • Trigonal Pyramidal
    • Bent (V-shaped)

    解説

    bond angle 120

  • 40

    VSEPR: Name Molecule Geometry Electron Domains 3 Bonding Domains 2 Lone Pairs 1

    補足(例文と訳など)

    答え

    • Bent (V-shaped)
    • 誤答選択肢 Linear
    • Tetrehedral
    • Trigonal Pyramidal

    解説

    Bond Angle 117

  • 41

    VSEPR: Name Molecular Geometry Electron Domains 4 Bonding Domains 4 Lone Pairs 0

    補足(例文と訳など)

    答え

    • Tetrahedral
    • 誤答選択肢 Bent (U-shaped)
    • Trigonal pyramidal
    • Trigonal planar

    解説

    Bond Angle 109.5

  • 42

    VSEPR: Name Molecular Geometry Electron Domain 4 Bonding Domain 3 Lone Pairs 1

    補足(例文と訳など)

    答え

    • Trigonal Pyramidal
    • 誤答選択肢 Linear
    • Tetrahedral
    • Linear

    解説

    Bond Angle 107.8

  • 43

    VSEPR: Name Molecular Geometry Electron Domains 4 Bonding Domains 2 Lone Pairs 2

    補足(例文と訳など)

    答え

    • Bent (V-shaped)
    • 誤答選択肢 Linear
    • Tetrahedral
    • Trigonal Planar

    解説

    Bond Angle 104.5

  • 44

    VSEPR: What is the Bond Angle of Tetrahedral molecule?

    補足(例文と訳など)

    答え

    • 107.8
    • 誤答選択肢 117
    • 108.7
    • 104.5

    解説

  • 45

    VSEPR: What are the bond angles for Bent (V-shaped) molecules?

    補足(例文と訳など)

    答え

    • 117 & 104.5
    • 誤答選択肢 120 & 107.8
    • 109.5 & 104.5
    • 120 & 117

    解説

  • 46

    VSEPR: What is the bond angle of Linear molecule?

    補足(例文と訳など)

    答え

    • 180
    • 誤答選択肢 90
    • 106.7
    • 117

    解説

  • 47

    VSEPR: What is the bonding angle of trigonal planar molecule?

    補足(例文と訳など)

    答え

    • 120
    • 誤答選択肢 125
    • 109.5
    • 117

    解説

  • 48

    VSEPR: What is the bond angle of Trigonal Pyramidal molecule?

    補足(例文と訳など)

    答え

    • 107.8
    • 誤答選択肢 104.5
    • 117
    • 109.5

    解説

  • 49

    What are the two types of structure in Covalent compound?

    補足(例文と訳など)

    答え

    • Molecular Covalent, Giant Molecular Covalent
    • 誤答選択肢 Great Covalent, Giant Covalent
    • Coordinate Covalent, Molecular Covalent
    • Complex Covalent, Structural Covalent

    解説

  • 50

    Molecular Covalent compounds are mostly in liquids and gases due to _____________ between moleclules

    補足(例文と訳など)

    答え

    • intermolecular forces
    • 誤答選択肢 electrostatic attraction
    • electronegativity differences
    • nuclear force

    解説

  • 51

    Non-Polar molecular covalent compounds are soluble in _____________ solvents

    補足(例文と訳など)

    答え

    • non-polar
    • 誤答選択肢 water
    • warm
    • well-mixed

    解説

  • 52

    Polar molecular covalent compounds are soluble in ________ solvents

    補足(例文と訳など)

    答え

    • polar
    • 誤答選択肢 non-polar
    • mixed
    • cold

    解説

  • 53

    Molecular covalent substances are poor conductors of electricity because ________

    補足(例文と訳など)

    答え

    • they have no free moving (mobile) ions
    • 誤答選択肢 they have valence electrons
    • the atoms are bonded with strong intermoecular forces
    • they are soluble in water

    解説

  • 54

    Giant Molecular Covalent structures do not form ____molecules.

    補足(例文と訳など)

    答え

    • discrete
    • 誤答選択肢 ionic
    • polor
    • heavy

    解説

    not discrete = cannot be broken/separated

  • 55

    Giant covalent structures do not conduct electricity because .......

    補足(例文と訳など)

    答え

    • it does not have free moving electrons
    • 誤答選択肢 it is a hard distance
    • the structure is very complex
    • the atoms are bonded by covalent bond

    解説

  • 56

    Giant Covalent substances are .....

    補足(例文と訳など)

    答え

    • not soluble
    • 誤答選択肢 soluble
    • soluble in polar solvents
    • soluble in non-polar solvents

    解説

  • 57

    Giant Covalent structures have ______ melting and boiling points, due to ___________

    補足(例文と訳など)

    答え

    • high, strong covalent bonds
    • 誤答選択肢 low, weak covalent bonds
    • high, strong electrostatic attraction
    • low, weak coordinate covalent bonds

    解説

  • 58

    Giant Covalent substances are....

    補足(例文と訳など)

    答え

    • hard
    • 誤答選択肢 soft
    • long
    • 2D

    解説

  • 59

    What are Allotropes?

    補足(例文と訳など)

    答え

    • Different forms of same element in the same physical state
    • 誤答選択肢 different forms of different element in the same physical state
    • different forms of same element in the same chemical state
    • Same forms of same element in the different physical state

    解説

  • 60

    Name 4 allotropes of Carbon

    補足(例文と訳など)

    答え

    • Graphite, Diamond, FullerenC60, Graphene
    • 誤答選択肢 Carbon monoxide, Carbon Dioxide, Dioxin, Proxin
    • Graphite, Diamond, FullerenC50, Graphene
    • Graphene, Fulleren, Crystal, Graphite

    解説

    60 in C60 is in a small letter

  • 61

    Allotropes have different properties as they have different ________ within the structure

    補足(例文と訳など)

    答え

    • bonding
    • 誤答選択肢 geometry
    • atoms
    • neucleons

    解説

  • 62

    Graphite has a _________ structure

    補足(例文と訳など)

    答え

    • layered
    • 誤答選択肢 lattice
    • complex
    • covalent

    解説

  • 63

    In Graphite, layers are held together by.........

    補足(例文と訳など)

    答え

    • weak intermolecular forces
    • 誤答選択肢 weak electrostatic attraction
    • strong electrostatic sttraction
    • strong intermolecular force

    解説

  • 64

    in Graphite, layers can ___________ due to weak intermolecular forces

    補足(例文と訳など)

    答え

    • slide over one another
    • 誤答選択肢 attack eachother
    • move freely
    • slide vertically

    解説

  • 65

    In Graphite, each Carbon atom is bonded to __ other carbon atoms. (number)

    補足(例文と訳など)

    答え

    • 3
    • 誤答選択肢 1
    • 2
    • 4

    解説

  • 66

    In Graphite, the bond angle between Carbon atoms is _____ , which means _______________

    補足(例文と訳など)

    答え

    • 120, trigonal planar
    • 誤答選択肢 180, linear
    • 109.5, tetrahedral
    • 104.5, bent

    解説

  • 67

    Does Graphite conduct electricity?

    補足(例文と訳など)

    答え

    • Yes
    • 誤答選択肢 No

    解説

    there are delocalised electrons, which are free to move

  • 68

    Diamond has ________ structure

    補足(例文と訳など)

    答え

    • covalent
    • 誤答選択肢 ionic
    • lattice
    • layer

    解説

  • 69

    Diamond ha _____ melting and boiling point

    補足(例文と訳など)

    答え

    • High
    • 誤答選択肢 Low
    • Medium

    解説

    Due to strong covalent bonds

  • 70

    Diamonds are very hard, because....

    補足(例文と訳など)

    答え

    • atoms are bonded by strong covalent bonds
    • 誤答選択肢 electrons are attracted by strong nuclear charge
    • atoms are connected by strong ionic bonds
    • diamonds are expensive

    解説

  • 71

    In a Diamond, each Carbon is bonded to __ other carbon atoms. (number)

    補足(例文と訳など)

    答え

    • 4
    • 誤答選択肢 1
    • 2
    • 3

    解説

  • 72

    In a Diamond, Bond angle is_____, which means ___________

    補足(例文と訳など)

    答え

    • 109.5, tetrahedral
    • 誤答選択肢 104.5, bent
    • 107.8, Trigonal Pyramidal
    • 180, Linear

    解説

  • 73

    Does Diamond conducts electricity?

    補足(例文と訳など)

    答え

    • No
    • 誤答選択肢 Yes

    解説

    They do not have mobile electrons

  • 74

    Fullerene C60 are used to make _______

    補足(例文と訳など)

    答え

    • nanotube
    • 誤答選択肢 PVC pipe
    • wires
    • world

    解説

  • 75

    structure of Fullerene C60 consists of ______________ hint: socce rball!

    補足(例文と訳など)

    答え

    • 12 pentagons, 20 hexagons
    • 誤答選択肢 15 octagon, 5 heptagon
    • 4 nonagon, 16 pentagon
    • 7 hexagon, 14 heptagon

    解説

  • 76

    In Fullerene C60, each Carbon atom is bonded to __ other carbon atoms. (number)

    補足(例文と訳など)

    答え

    • 3
    • 誤答選択肢 1
    • 2
    • 4

    解説

  • 77

    Fullerence C60 shows _____ electrical conductivity

    補足(例文と訳など)

    答え

    • some
    • 誤答選択肢 huge
    • small
    • no

    解説

    it has delocalised electrons

  • 78

    In Fullerene C60, the bond angle is ____, which means ______

    補足(例文と訳など)

    答え

    • 120, trigonal planar
    • 誤答選択肢 180, linear
    • 109.5, tetrahedral
    • 107.8, trigonal pyramidal

    解説

  • 79

    Fullerene C60 is .....

    補足(例文と訳など)

    答え

    • very light and strong
    • 誤答選択肢 very strong and flexible
    • very heavy and weak
    • very volatile and light

    解説

  • 80

    Graphene has ____________ structure

    補足(例文と訳など)

    答え

    • Honeycomb
    • 誤答選択肢 ionic
    • complex
    • soccer ball

    解説

  • 81

    In Graphene, each atom is bonded to ___ other carbon atoms. (number)

    補足(例文と訳など)

    答え

    • 3
    • 誤答選択肢 1
    • 2
    • 4

    解説

  • 82

    Graphene has very good ___________ and __________ conductivity

    補足(例文と訳など)

    答え

    • electrical, thermal
    • 誤答選択肢 physical, chemical
    • electrical, chemical
    • physical, thermal

    解説

  • 83

    In Graphene, bond angle is ____, which means _______

    補足(例文と訳など)

    答え

    • 120, trigonal planar
    • 誤答選択肢 109.5, tetrahedral
    • 117, bent
    • 180, linear

    解説

  • 84

    Graphene is .....

    補足(例文と訳など)

    答え

    • thin and strong
    • 誤答選択肢 thick and strong
    • flexible and thick
    • soft and thin

    解説

  • 85

    Resonance structure occur when...

    補足(例文と訳など)

    答え

    • there is more than one position of double bond
    • 誤答選択肢 the structure is resonance
    • molecules have intermediate bond
    • there are more than two double bonds

    解説

  • 86

    The actual structure, is a resonance ________ structure

    補足(例文と訳など)

    答え

    • hybrid
    • 誤答選択肢 complex
    • hydroxide
    • covalent

    解説

  • 87

    Hybrid structure has _________ bond length and bond strength

    補足(例文と訳など)

    答え

    • intermediate
    • 誤答選択肢 great
    • small
    • ionic

    解説

  • 88

    Intermolecular forces are forces of.........

    補足(例文と訳など)

    答え

    • attraction between molecules
    • 誤答選択肢 electrostatic attraction
    • repulsion between protons
    • attraction within the molecules

    解説

    Intermoleculer forces are Not WITHIN the molecules!!!!!!

  • 89

    Intermolecular forces are ______ than ionic and covalent bonds

    補足(例文と訳など)

    答え

    • weaker
    • 誤答選択肢 stronger
    • longer
    • cuter

    解説

  • 90

    What is the strongest intermolecular force?

    補足(例文と訳など)

    答え

    • hydrogen bonding
    • 誤答選択肢 dipole-dipole force
    • london diversion force
    • molecular covalent bonding

    解説

  • 91

    What is the weakest intermolecular force?

    補足(例文と訳など)

    答え

    • London dispersion force
    • 誤答選択肢 Carbon bonding
    • dipole forces
    • electrostatic attraction

    解説

  • 92

    London dispersion forces occur between ____ molecules

    補足(例文と訳など)

    答え

    • polar
    • 誤答選択肢 non-polar
    • ionic
    • big

    解説

  • 93

    Due to _________________, an atom or molecule develop a Instantaneous dipole.

    補足(例文と訳など)

    答え

    • constant motion of electrons
    • 誤答選択肢 repulsion between electrons
    • sudden explosion
    • ionic movement

    解説

    Instantaneous dipole will produce Induced dipole in a nearby molecule, which leads to london dispersion force

  • 94

    Sn instantaneous dipole can cause an __________ in a nearby molecule

    補足(例文と訳など)

    答え

    • induced dipole
    • 誤答選択肢 instantaneous dipole
    • spontaneous dipole
    • dipole-dipole bonding

    解説

    There will be London dispersion force between induced dipole and instantaneous dipole

  • 95

    London dispersion forces ________ with increasing molar mass.

    補足(例文と訳など)

    答え

    • increase
    • 誤答選択肢 decrease
    • stay the same
    • explode

    解説

  • 96

    stronger London dispersion forces result in a _______ boiling point

    補足(例文と訳など)

    答え

    • higher
    • 誤答選択肢 lower
    • mysterious
    • ambigious

    解説

    because more energy is required to overcome the strong forces between molecules

  • 97

    Dipole-dipole forces occur between ......

    補足(例文と訳など)

    答え

    • polar molecules
    • 誤答選択肢 molar molecules
    • atoms
    • electrons

    解説

  • 98

    dipole dipole ___________ intermolecular force

    補足(例文と訳など)

    答え

    • second strongest
    • 誤答選択肢 strongest
    • weakest
    • cheapest

    解説

  • 99

    Hydrogen bonding occurs when hydrogen is bonded to........

    補足(例文と訳など)

    答え

    • nitrogen, oxygen, or flourine
    • 誤答選択肢 carbon, nitrogen, and oxygen
    • chlorine, carbon, helium
    • flourine, bromine, oxygen

    解説

  • 100

    Hydrogen bond is a special kind of .......

    補足(例文と訳など)

    答え

    • dipole-dipole attraction
    • 誤答選択肢 london dispersion forces
    • electrostatic attraction
    • bonding

    解説

  • 101

    Why does water has higher boiling point compared to other molecules?

    補足(例文と訳など)

    答え

    • because of Hydrogen bonding
    • 誤答選択肢 because of strong electrostatic attraction
    • because of the lone pair of electrons in oxygen
    • because it felt like it

    解説

  • 102

    Name the intermolecular force

    補足(例文と訳など)

    答え

    • dipole-dipole force
    • 誤答選択肢 London dispersion force
    • hydrogen bonding
    • electrostatic attraction

    解説

    H-Cl bond is polar

  • 103

    Name the intermolecular force

    補足(例文と訳など)

    答え

    • Hydrogen bonding
    • 誤答選択肢 London dispersion force
    • dipole-dipole
    • electrostatic attraction

    解説

    H is bonded to Nitrogen and also to Oxygen

  • 104

    Name the intermolecular force

    補足(例文と訳など)

    答え

    • London dispersion force
    • 誤答選択肢 Hydrogen bonding
    • dipole-dipole force
    • electrostatic attraction

    解説

    I-I bond is non-polar

  • 105

    What is Metallic Bond?

    補足(例文と訳など)

    答え

    • electrostatic attraction between Positively charged metal ions and Delocalized electron
    • 誤答選択肢 intermolecular forces between the nucleus of two metals
    • electrostatic attraction between two metals
    • attraction of electrons within the metal

    解説

  • 106

    Why do Metals conduct heat and electricity

    補足(例文と訳など)

    答え

    • because delocallised electrons are present
    • 誤答選択肢 because the surface of metal is slippy
    • because the metal is magnetic
    • because positive ion in metals are free to move

    解説

  • 107

    Metals are _____ (can be bent into shape) and ______ (can be stretched)

    補足(例文と訳など)

    答え

    • ductile, malleable
    • 誤答選択肢 soft, hard
    • poisonous, flexible
    • hard, shiny

    解説

  • 108

    metals are malleable and ductile, because...

    補足(例文と訳など)

    答え

    • the layers can slide over eachother
    • 誤答選択肢 the positive ions are flexible
    • the of delocalized electrons
    • of the strong electrostatic attraction

    解説

  • 109

    Metals are shiny, because......

    補足(例文と訳など)

    答え

    • delocalised electrons reflect light
    • 誤答選択肢 delocalized electrons produce light
    • positive ion reflects light
    • positive ion produces light

    解説

  • 110

    The strength of metallic bond is determined by _____ and _____ of the metal ion

    補足(例文と訳など)

    答え

    • charge, ionic radius
    • 誤答選択肢 atomic radius, mass
    • electronegativity, mass
    • charge, nuclear charge

    解説

  • 111

    As Charge on Metal increases, strength of metallic bond_________

    補足(例文と訳など)

    答え

    • increases
    • 誤答選択肢 decreases
    • stays the same

    解説

    higher charge means more delocalised electrons, so electrostatic attraction between positive ion will increase

  • 112

    As Ionic Radius increases, strength of metallic bond ______

    補足(例文と訳など)

    答え

    • decreases
    • 誤答選択肢 increases
    • stays the same

    解説

    As Ionic radius increases, electrostatic attraction decreases, because the electrons will be far away from the nucleus

  • 113

    Materials made up of two or more metals or a metal and non-metal is called.......

    補足(例文と訳など)

    答え

    • alloys
    • 誤答選択肢 isotopes
    • allotropes
    • mixtures

    解説

    example: Steel, Bronze etc.

  • 114

    In most cases, Alloys have _____ properties than component metals

    補足(例文と訳など)

    答え

    • better
    • 誤答選択肢 stronger
    • worse
    • complex

    解説

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