The answer should be; 11
The atomic mass number is found by combining the number of protons and neutrons
Hope this helps :)
Ar (argon) has 18 electrons
Cl- would give you 18 electrons
F- would give you 10 electrons
Li+ would give you 2 electrons
Na+ would give you 10 electrons
Cl- would be the correct answer
Do not trust people that share viruse into your phone/computer’s
DO NOT TRUST THESE LINKS
Mentos reacts to coca-cola because of the sugars and then they expand which causes the soda to explode out of the open container. this is a chemical reaction because it cause the sugars to expand which you can't see happen.