Question

An element has electronic configuration 2,8,8,1. (a) write the atomic number of this element.(b)to which period does this belong. (c) name the element.(d) write the chemical formula of its oxide​

Answer 1

Answer:

a-19

b-3rd period does it belong.

c-potassium

d- k + o2 ------ k2o

Answer 2

Answer:

Explanation:ATOMIC NUMBER =19

THIS ELEMENT BELONGS TO 4 PERIOD

THE NAME OF THE ELEMENT IS POTTASIUM