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Why do we write lead nitrate …

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Why do we write lead nitrate as lead nitrate whole twice and not just lead nitrate?

Posted by Rachna Gupta 8 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Shweta Gulati 8 years, 3 months ago

Revise the valencies of metals and non-metals from Class 9th.

Lead has a valency of +2 and Nitrate has a valency of -1.

While, writing their chemical formula, we criss cross their valencies so we get it as

Lead nitrate Pb(NO₃)₂

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