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Byju's Answer
Standard VIII
Chemistry
Chemical Formulae
An element X ...
Question
An element X has valency 2 .
write the chemical formula of its oxide and carbonate
is element x a metal or a non metal?
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Solution
Formula for Oxide: XO
Formula for Carbonate: XCO
3
X is a metal. Non-metals do not form carbonates that are ionic compounds.
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