Question

6. An element X, which has atomic number 12,
forms an oxide with oxygen (atomic number 8).
What is the formula of oxide?
a. Xo
b. X20
c. XO2
d. X203​

Answer 1

Answer:

Valency of O is 2. X forms X

2

O. Hence valency of X is 1. Thus it has 1 electron for outermost shell. Hence it belongs to group IA. When X reacts with chlorine it forms XCl.

Explanation:

it is helpful make brainlist

Answer 2

Answer:

a) xo

In which magnesium has atomic number is 12 reacts with oxygen to form *Magnesium oxide*(MgO))

hope it's helpful✌