Question

the element x has 1 electron in the 's' subshell in 3rd shell if so a)write the complete subshell electronic configuration of x find the atomic number, group, period and block of this b)if x, combines with another element y of valance y2 write the chemical formula of the compound formed​

Answer 1

Answer:

subshell electronic configuration:-1s²2s²2p⁶3s¹

atomic number=2+2+6+1=11

group is 1st group(alkali metals)

period is 3rd period

s block

x2y