Question

Which effects of nicotine use do most users experience? Check all that apply. *Nicotine affects the pleasure centers of the brain, making it addictive. *Teens who smoke are less likely to smoke as adults. * People have to increase their nicotine use over time to receive the same effects. *People who want to quit are generally able to do so. *Stopping use leads to a tired feeling.

Answer 1

Explanation:

1) The outermost shell electrons of the halogen family elements is 7, there is only one electron left to complete their octet.

2) Commonly halogens show valency -1, they gain an electron to complete their octet.