The electronic configuration of X and Y are g | vedclass

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(C) $X$ has $5$ valence electrons $(3s^2 3p^3)$,so it is a non-metal (Phosphorus,$P$).$Y$ has $7$ valence electrons $(3s^2 3p^5)$,so it is a non-metal

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$XY_3$,covalent bond

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(C) $X$ has $5$ valence electrons $(3s^2 3p^3)$,so it is a non-metal (Phosphorus,$P$).$Y$ has $7$ valence electrons $(3s^2 3p^5)$,so it is a non-metal (Chlorine,$Cl$).Non-metals share electrons to complete their octet,forming covalent bonds.The valency of $X$ is $3$ and the valency of $Y$ is $1$.Therefore,the formula is $XY_3$ (e.g.,$PCl_3$).Thus,the bond formed is covalent.

The electronic configuration of $X$ and $Y$ are given below:
$X: 1s^2 2s^2 2p^6 3s^2 3p^3$
$Y: 1s^2 2s^2 2p^6 3s^2 3p^5$
Which of the following is the correct molecular formula and type of bond formed between $X$ and $Y$?

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The electronic configuration of $X$ and $Y$ are given below:$X: 1s^2 2s^2 2p^6 3s^2 3p^3$$Y: 1s^2 2s^2 2p^6 3s^2 3p^5$Which of the following is the correct molecular formula and type of bond formed between $X$ and $Y$?