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GCSE Chemistry > Bonding > Flashcards

Bonding Flashcards

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1
Q

What are the three types of bonding?

A
  • Ionic (metals + nonmetals)
  • Covalent (nonmetals + nonmetals)
  • Metallic (metals + metals)
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2
Q

What is an Ion?

A

An electrically charged particle formed when an atom (or group of atoms) loses or gains electrons.

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3
Q

What group in the periodic table corresponds to what ionic charge?

A

Group. Charge
1 +
2 2+
3 3+
5 3-
6 2-
7 -

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4
Q

Hydrogen Ion

A

H -

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5
Q

Zinc Ion

A

Zn 2+

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6
Q

Silver Ion

A

Ag +

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7
Q

Ammonium Ion

A

NH4 2+

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8
Q

Hydroxide Ion

A

OH -

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9
Q

Nitrate Ion

A

NO3 -

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10
Q

Carbonate Ion

A

CO3 2-

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11
Q

Sulphate Ion

A

SO4 2-

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12
Q

What is a Cation?

A

A positively charged ion (+)

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13
Q

What is an Anion?

A

A negatively charged ion (-)

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14
Q

Ionic bond definition

A

Ionic bonds are electrostatic forces of attraction between oppositely charged ions. They are very strong.

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15
Q

Describe how an ionic bond works

A

Metals transfer electrons to nonmetals to form ions. Metal ions are cations, nonmetal ions are anions, and the opposite charges attract to form a bond.

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16
Q

What is the overall charge in an ionic compound and why?

A

0, because the charges cancel each other out.

17
Q

How do you know what charges transition metals have?

A

Transition metals are assigned a roman numeral for the positively charged ion. Eg. Copper (II) oxide = Cu 2+ O 2- = CuO

18
Q

In ionic bonding, what charges cancel?

A

Equal and opposite charges

19
Q

In ionic bonding, if the charges are not equal, what method do you use

A

The crossover method

20
Q

Why do metal atoms transfer their electrons to nonmetal atoms?

A

To get a full outer shell

21
Q

What are covalent bonds?

A

Electrostatic forces of attraction between a shared pair of electrons and their nuclei.

22
Q

Why do atoms share their electrons in covalent bonding?

A

To get a full outer shell

23
Q

How many pairs of electrons are in a single bond?

A

one

24
Q

How many pairs of electrons are in a double bond?

A

two

25
Q

How many pairs of electrons are in a triple bond?

A

three

26
Q

What is an example of a molecule with a single bond?

A

H-H

27
Q

What is an example of a molecule with a double bond?

A

O=O

28
Q

What is an example of a molecule with a triple bond?

A

N≡N

29
Q

What three types of covalent molecules are there?

A

Diatomic Molecules
Inorganic Molecules
Organic Molecules

GCSE Chemistry (13 decks)

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