Question

if two elements X and Y have the atomic number 11 and 16 respectively find out the formula of compound formed by X and Y use Criss cross method

Answer 1

Answer:

Explanation:

            YARR PLZ MARK AS BRAINLIEST PLZ AND THX FOR BRILLIANT QUESTION

electronic configuration of the sodium (Na) having atomic number 11 is 2,8,1

electronic configuration of the sulphur(s) having atomic number 16 is 2,8,6

they have covalent bond

NaS2

Answer 2

Explanation:

X valency=1

Y valency=2

X. Y

1. 2

so by Criss cross,

X2Y