Question

which of the followings elements will form an acidic oxide. an element with atomic number 7,3,12,19​

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.

Answer 2

Answer:

7( nitrogen)

Explanation:

acidic oxide is formed by non metals so answer is nitrogen which has a atomic number of 7

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