How many ions does each of these symbols have, I need answer and my science teacher doesn’t tell us or explain it to us

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

Iwould appreciate if someone could me.