Question

Chlorine react with metals and non-metals. When metal X reacts with chlorine, the compound, XCl is formed. Which of the following occurs when X and chlorine react to form XCI? (i) An atom of X gives away two electrons. (ii) Each atom of chlorine receives one electron. (iii) X and Cl share a pair of electrons. (iv) X and Cl form a double bond. a. (i) and (ii) b. (ii) and (iii) c. (iii) and (iv) d. (i), (ii) and (iv).​

Answer 1

Answer:

An element 'X' forms a chloride with formula XCl

3

In the compound, both elements are shared electrons to form the chemical bonds.

Sharing of elements depends upon their combining capacity known as valency of the element.

Since we know that the valency of lithium, sodium magnesium aluminium and calcium is 1,1,2,3 and 2 respectively.

In this, there is three chlorine and we know that each chlorine required one electron to complete its shell.

So, the required element is Aluminium.

Explanation:

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