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- Element X forms a chloride with the formula XCl2 which is a solid with a high melting point
. Element X forms a chloride with the formula XCl2 which is a solid with a high melting point
X would most likely be in the same group of the periodic table as :
A. Na
B. Mg
C. Al
D. Si
Best Answer
Ans. B
Solution. Mg has the valency 2. So, when it combine with chlorine having valency 1, it forms Mgcl2. Whereas Na has valency 1, Al has valency 3 and Si has valency 4.
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