Answer:
mass number = 18
Explanation:
The mass number is the total amount of protons and neutrons in an atom. Therefore, if there are 8 protons and 10 neutrons, the mass number is 18 (8 + 10 = 18).
Answer:
Chlorine
Explanation:
The P usually stands for Protons, and that is usually the element number. (chlorine is 17) N is for neutron
Answer:
hope it helps brainliest pls
Explanation: