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Chemistry > Ionic Bonding > Flashcards

Ionic Bonding Flashcards

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1
Q

What is an ion?

A

A particle with a charge (as gained or lost electrons.)

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2
Q

What charge do lithium ions have?

A

1+

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3
Q

What charge do magnesium ions have?

A

2+

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4
Q

What charge do aluminium ions have?

A

3+

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5
Q

What charge do bromide ions have?

A

1-

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6
Q

What charge do oxide ions have?

A

2+

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7
Q

What charge do nitride ions have?

A

N3-

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8
Q

What is the formula for the nitrate ion?

A

NO3-

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9
Q

What is the formula for the ammonium ion?

A

NH4+

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10
Q

What is the formula for the carbonate ion?

A

CO32-

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11
Q

How are metal ions formed?

A

Metals give away electrons to form + ions.

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12
Q

How are non-metal ions formed?

A

Gain electrons to form - ions.

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13
Q

Describe how sodium chloride (NaCl) is formed.

A

Sodium atoms each give 1 electron to a chlorine atom. The Na+ ions attract the Cl- ions.

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14
Q

How many electrons does Li+ have?

A

Lithium has atomic number of 3 so 3 electrons. As it has 1+ it has lost an electron. 2 electrons.

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15
Q

What is the difference between magnesium sulphate and magnesium sulphide?

A

Sulphate contains oxygen.

Sulphide does not.

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16
Q

What is the formula for the sulphate ion?

A

SO42-

17
Q

Why do ionic substances have high melting and boiling points?

A

Strong electrostatic attraction between ions needs a lot of energy to be broken.

18
Q

Why don’t ionic substances conduct electricity as solids?

A

The ions can’t move and so can’t carry a charge.

19
Q

What is the formula of magnesium chloride?

A

MgCl2

20
Q

Describe the structure of an ionic solid.

A

Regular lattice of oppositely charged ions.

21
Q

How many electrons does Mg2+ have?

A

Magnesium has an atomic number of 12 so 12 electrons. As it has 2+ it has lost two electrons.
10

22
Q

Draw a diagram to show the structure of magnesium oxide.

A

Mg2+ O2- Mg2+
O2- Mg2+ O2-
Mg2+ O2- Mg2+
O2- Mg2+ O2-

Chemistry (3 decks)

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