Y10R - UNIT 4 AND 5 BINGO

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created 2 years ago by VMprooject
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Valeria and Marta
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chemistry
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1

What is the formula for hydrogen peroxide and why doesn't it simplify when finished?

Formula: H20

You can't simplify the formula as they are both non-metal compounds.

2

Based on the formula we did in class, invert the formula sodium chlorite

Na1+ Cl2 There should be a minus at the top of the 2

the minus passes to the sodium living it as Na and the sodiums positive ion passes it to the Cl2, making the end formula as: NaCl2

3

Balance the equation: Cu + S --- Cu2S --- = an arrow

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