14. Metals Flashcards

1
Q

What is metallic bonding?

( LO 1)

A

The attraction between positive ions and delocalised electrons

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2
Q

Why do metals conduct electricity?

( LO 2)

A

The (outer) electrons are delocalised and free to flow between outer shells

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3
Q

What are the 3 reactions of metals?

( LO 3)

A

With oxygen

With water

With acid

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4
Q

What is the product of reacting metals with oxygen?

A

A metal oxide

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5
Q

What are the products of reacting metals with water?

( LO 3b )

A

A metal hydroxide plus hydrogen

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6
Q

What are the products of reacting metals with acids?

( LO 3c )

A

A salt plus hydrogen

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7
Q

How many electrons do metal lose?

A

The number of outer electrons they have

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8
Q

What charge is on metal ions?

A

The positive charge equivalent to the number of electrons they have lost.

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9
Q

How does the reactivity of metals affect their reactions with water, acids, and oxygen?

( LO 4 )

A
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10
Q

How are soluble salts made using metals?

( LO 5 )

A
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11
Q

What is meant by oxidation?

( LO 6b )

A

The loss of electrons

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12
Q

Why do metals lose electrons when they react?

A

To obtain a full valence shell

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13
Q

What do we call naturally occurring metal compounds?

A

Ores

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14
Q

What are the 3 ways of extracting metals from ores?

A

Electrolysis ( Al and above)

Heating with carbon ( Cu to Mg)

Heating ( Below Cu)

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15
Q

What type of bonding is found in almost all metallic compounds?

A

Ionic bonding

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16
Q

What do we call the process of making metal ions into metal atoms during extraction?

A

Reduction (gain of electrons)

17
Q

What are the 3 methods of extracting metals and which metals can be extracted by each method?

A