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Chemistry > Ionic Bonding > Flashcards

Ionic Bonding Flashcards

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1
Q

What makes a substance metallic?

A

By being a metal

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2
Q

What makes a substance ionic?

A

Usually a metal + non-metal

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3
Q

What makes a substance covalent?

A

Non-metals only

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4
Q

What is an ion?

A

An atom or molecule with an overall electric charge due to the loss or gain of one or more electrons

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5
Q

How do Ionic compounds bond?

A

By gaining or losing electrons

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6
Q

How do metals bond?

A

By losing electrons (which become delocalised)

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7
Q

How do covalent molecules bond?

A

They share electrons

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8
Q

What is the formula of hydrogen?

A

H+

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9
Q

What is the formula of hydroxide?

A

OH-

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10
Q

What is the formula of carbonate?

A

CO₃²⁻

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11
Q

What is the formula of sulfate?

A

SO₄²-

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12
Q

What is the formula of nitrate?

A

NO⁻ ₃

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13
Q

What is the formula of Ammonium?

A

NH4+

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14
Q

What are the forces in a Giant Ionic Lattice?

A

Strong electrostatic forces of attraction between oppositely charged ions

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15
Q

Why does magnesium oxide have a high melting point?

A

-Due to its ionic lattice structure
-Strong forces of attraction between positive and negative ions
-These forces require a lot of energy to overcome

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16
Q

Why does magnesium oxide have a higher melting point than lithium oxide?

A

-Magnesium oxide has greater charges on its ions
-This means it has greater electrostatic forces of attraction between its ions

17
Q

What are the charges of group 1,2,3,5,6 and 7 elements?

A

+1 , +2, +3, -3, -2, -1

18
Q

Why don’t ionic compounds conduct electricity when they’re solid?

A

The delocalized electrons are not free to move

Chemistry (2 decks)

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