Q17. You are given an element X (Atomic no.12). Find out (a) Number of protons, electrons and neutrons in 'X'. (b) Valency of 'X' (c) Write the chemical formula of the compound formed when 'X' reacts with oxygen.
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Q17. You are given an element X (Atomic no.12). Find out (a) Number of protons, electrons and neutrons in 'X'. (b) Valency of
Explanation:
x-magnesium
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