Question

Two elements X and Y have atomic numbers 12 and 16 respectively. Write the electronic configuration forthese elements. To which period of the modern periodic table do these two elements belong? What typeof bond will be formed between them and Why?

Answer 1

X=2,8,2
Y=2,8,6

both are in 3 period

ionic bond formed because X has meatl and Y has non metal

Answer 2

Electronic configuration of x- 2,8,2

Electronic configuration of y- 2,8,6

X- Period 2 and Group 2

Y- Period 2 and Group 16

Thus X is Metal and Y is non metal

so they formed Ionic Bond.