Question

Q... Match the atomic ncumbers 6, 15,5, 16, 3 10175 with each of the following.

1) The metalloid that belongs to 3rd group, 2nd period?
2) non metal of valency 4?
3) An element that has 5 electrons in the valency? ​

Answer 1

Answer:

1. Magnesium

2. Carbon

3. Nitrogen