8.A metal ‘X’ loses two electrons and a non-metal ‘Y’ gains one electron. Show the electron dot structure of compound formed between them. Is ionic or covalent? Does it havehigh melting point or low? Will it conduct electricity in solid state or in aqueous solution and why? Will it be soluble in water?
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Explanation:
since x loses 2 electrons ,it's Valence becomes+2. and it forms the ions of X²+.
similarly, Valence of y is -1 and it's ionic form is Y-.
formation of compounds X and Y:
since compound is formed by ions I is ionic.ionic compound have high melting points ,are soluble in aqueous solution because of mobile ions and are soluble in water.
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