A solid element (symbol Y) conducts electricity and forms two chlorides \[YC{{l}_{n}}\] (colourless volatile liquid) and \[YC{{l}_{n-2}}\] (a colourless solid). To which one of the following groups of the periodic table does Y belong?

A solid element (symbol Y) conducts electricity and forms two chloride

1.	A solid element (symbol Y) conducts electricity and forms two chlorides \[YC{{l}_{n}}\] (colourless volatile liquid) and \[YC{{l}_{n-2}}\] (a colourless solid). To which one of the following groups of the periodic table does Y belong?
A.	13
B.	14
C.	15
D.	16
Answer» C. 15

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A solid element (symbol Y) conducts electricity and forms two chlorides \[YC{{l}_{n}}\] (colourless volatile liquid) and \[YC{{l}_{n-2}}\] (a colourless solid). To which one of the following groups of the periodic table does Y belong?

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