Question

An element Y is in second period and group 16 of the periodic table :

(i) Is it a metal or non-metal ?

(ii) What is the number of valence electrons in its atom ?

(iii) What is its valency ?

(iv) What is the name of the element ?

(v) What will be the formula of the compound formed by Y with sodium ?

Answer 1

(i) Non-metal .

(ii) 6 .

(iii) 2 .

(iv) Oxygen .

(v) Na 2 Y .