Question

Which feature is unique to Group 18 nonmetals?
O They are very nonreactive.
O They have more exceptions to reactivity rules.

Answer 1

Answer:

1. Metals on the right have more protons, causing valence electrons to be held more strongly.

2. by gaining electrons

3. They are very nonreactive.

4. Cs and Br

5. Rb loses an electron.

Explanation: taken it before