Question

The atomic number of an element is 16. Predict:

1. the number of valence electrons in its atom;
2. its valency;
3. its group number;
4. whether it is a metal or a non-metal;
5. the nature of the oxide formed by it.

Answer 1

Given atomic number = 16

Electronic configuration = 2, 8, 6

1. The number of valence electrons is 6.
2. The valency of the element is 2.
3. The group number of the element is 16 (VIA).
4. The element is a non-metal.
5. The oxide formed by the element is acidic in nature.