Question

An element X is placed in the 3rd group and 3rd period of the modern periodic table. a) write the electronic configuration of X b) Write thr formula of thr compounds formed when the element X reacts with another element Y of atomic number 17 c) will the oxide of this element acidic or basic

Answer 1

a.)Element X has electronic configuration

1S^2 ,2S^2,2p^6,3S^2,3p^1

b.)XY3

c.)XO3 is basic in nature