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Zzz- Nat 5 Chemistry > Bonding and Structure > Flashcards

Bonding and Structure Flashcards

1
Q

ionic bonding is the

A

electrostatic force of attraction between a positive ion and negative ions

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2
Q

what is an ion

A

an atom that has lost or gained electrons

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3
Q

Ionic substances generally have a high

A

melting and boiling point

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4
Q

Ionic substances are shaped in

A

a lattice

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5
Q

Ionic substances are generally

A

soluble in water

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6
Q

Ionic substances can conduct electricity when

A

molten or in solution

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7
Q

why can ionic substance conduct when molten

A

ions are free to move

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8
Q

ionic bonds are generally between

A

metal ions and non-metal ions

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9
Q

give an example of an ionic bond

A

sodium chloride (salt)

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10
Q

what is a covalent bond

A

the mutal attraction between two nuclei for a shared pair of electrons

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11
Q

a covalent bond generally forms between

A

two non metals

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12
Q

the two types of stuctures that a covalent bond can form

A

molecular
network

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13
Q

give an example of a covalent molecular

A

water

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14
Q

give an example of covalent network

A

graphite

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15
Q

covalent molecular boiling and melting point

A

low

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16
Q

covalent network boiling and melting point

A

high

17
Q

generally covalent networks cannot

A

conduct electricity

18
Q

covalent moleculars cannot

A

conduct electricty

19
Q

covalent substances are generally

A

insoluble

20
Q

diatomic molecules

A

contain 2 atoms

21
Q

diatomic substances generally form

A

covalent molecular

22
Q

the diatomic elements are

A
  1. Hydrogen
  2. Iodine
  3. Nitrogen
  4. Chlorine
  5. Bromine
  6. Oxygen
  7. Fluorine
23
Q

metallic bonding is the

A

force of attraction between positive ions and delocalised elecctrons

24
Q

metallic substances are

A

insoluble

25
Q

metallic substances have

A

high melting and boiling point

26
Q

metallic substances can

A

conduct electricity

Zzz- Nat 5 Chemistry (15 decks)

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