National 5 Chemistry Unit 3 - Chemistry in Society

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5 Terms

1
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What is a metallic bond?

A metallic bond is the electrostatic attraction between positively charged metal ions and a sea of delocalised electrons

2
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Why are metallic elements conductors of electricity?

Because they contain delocalised electrons

3
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What is the word equation for a metal reacting with oxygen?

metal + oxygen —→ metal oxide

4
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What is the word equation for a metal reacting with water?

metal + water —→ metal hydroxide + hydrogen

5
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What is the word equation for a metal reacting with dilute acid?

metal + dilute acid —→ salt + water