Q.2. Fill in the blanks with suitable words:
1. Weight of the element is equal to its..... expressed in a.m.u
2. Valency of a metal is the number of electrons..... .... by an atom during the formation of
compound.
3. Metals possess
valency.
4. Non-metals have ....
valency.
5. CF, F, CO32-, SO4- are
radicals.
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Explanation:
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