Question

What is the cause of nonmetallic character of elements

Answer 1

Answer:

Non-metallic Character of a Metal. Nonmetals tend to gain electrons in chemical reactions and have a high attraction for electrons within a compound. The most reactive nonmetals reside in the upper right portion of the periodic table. The noble gases are a special group because of their lack of reactivity.

Explanation:

Answer 2

the cause is that they have the tendency to gain electrons to attain octet in their outermost orbit. non-metallic character depends upon

1. Atomic size
2. Nuclear change
3. non-metallic character decrease down the group
4. non-metallic character increase across the period
5. Example chlorine + e- ------> Cl-