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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
Question
Element ' M ' forms a chloride with the formula $MCl _2$, which is solid with high melting point. To which group of the Periodic Table does the element ' M ' belong?
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Answer

The valency of chlorine is 1 . Therefore, if the element M is forming a chloride of the formula $MCl _2$, it means that the valency of M is 2 . Also, since the compound $MCl _2$ has high melting point, it means that it is an ionic compound. Hence M is a metal and belongs to group 2 of the periodic table.

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