Question

The element 'X' belongs to 4 period and 15 (VA) group, write the no. of
valance electrons, valancy and state whether it is metal or non-metal?​

Answer 1

Answer:

5 valence electrons

valency 3

metalloid

Explanation:

element is arsenic

atomic number is 33

electrons configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3

valency=8-valence electrons

it's Properties lie between metals and non metals