Chemistry 2

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What does a covalent bond involve?
Sharing electrons between atoms.
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What atom usually froms four covalent bonds?
Carbon.
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Why does reaction rate increase as the temperature increases?
At higher temperatures particles move faster and collide more often.
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What sort of reaction is thermal decomposition?
Endothermic.
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When copper is purified by electrolysis:
When copper is purified by electrolysis the positive electrode is impure copper.
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Where does oxygen form during the manufacture of aluminium?
Oxygen forms at the positive electrode.
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Other cards in this set

Card 2

Front

What atom usually froms four covalent bonds?

Back

Carbon.

Card 3

Front

Why does reaction rate increase as the temperature increases?

Back

Preview of the front of card 3

Card 4

Front

What sort of reaction is thermal decomposition?

Back

Preview of the front of card 4

Card 5

Front

When copper is purified by electrolysis:

Back

Preview of the front of card 5
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