Metals in reactions

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6 Terms

1
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What are metals stored in and why?


Oil to prevent them reacting with air.

2
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What happens to lithium when it is added to water?

It floats, begins to effervesce, audible fizzing, it disappears

3
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What happens to sodium when it is added to water?

It instantly effervesces, audible fizzing, turns into a ball shape

4
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5
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What happens to potassium when added to water?

Instant effervescing, moves rapidly, releases a small flame

6
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3 equations for metals


metal + water → metal hydroxide + hydrogen

metal + oxygen → metal oxide

metal + acid → salt + hydrogen