Question

5. An element belongs to third period and second group in the periodic table.
(a) State number of valence electrons in it. (b) Is it a metal or non-metal?
(c) Name the element
(d) Write the formula of its oxide
​

Answer 1

a) 2 valence electrons

b) metal

c)magnesium

d) Mgo

Hope it will help u..

Answer 2

Answer:

I hope it is helpful to you