Question

In the following structure
N
х
y
А
X, y and z represent Z-configurations​

Answer 1

Answer:

Generally, metals have a lesser number of electrons in their outermost shell which can be a maximum of three. So, from the given compounds Y cannot be a metal and X has a complete electronic configuration in the valence shell and is not a metal. When the number of valence electrons is less than or equal to 4, the valency is equal to valence electrons and when valence electrons > 4, then valency =(8−4).  

X- 2, 8; is a noble gas (Ne) with a valency of 0.

Y-2, 8, 7; is a non-metal or halogen (Cl) with a valency of 8−7=1.

Z-2, 8, 2; is a metal (Mg) with a valency of 2.

Explanation:

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