If potassium has one valance electron predict the charge on a monatomic potassium ion.
1) +1
2) -1
3) +7
4)-7

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Asap! will give brainiest when a heat wave strikes a region causing more people to run air-conditioning units, electrical demand increases. what needs to be done to meet this increased demand? raising the control rodslowering the control rodsremoving the control rods