Question

Which of the following element will form an acidic oxide?

A) An element with atomic numb 7 B) An element with atomic number 3

C) An element with atomic number 12 D) An element with atomic number 19​​

Answer 1

Answer:

So, element with atomic number 7 (electronic configuration 2,5) with is non-metal (N) and it will form an acidic oxide. Rest three elements atomic numbers, 3(Li),12 (Mg) and 19 (K) are metals and hence form basic oxides.

Explanation:

please follow

Answer 2

A N2

coz its nonmetal it forms NO