Answer: you subtract the number of protons from the mass number, on the periodic table your atomic number is your protons and your atomic mass is the mass number
Explanation:
One day, as I was walking, I found some sandy soil beside the road.
In object in motion stays in motion; speed
Answer: A
Explanation: isotopes of the same thing element have the same number of protons in the nucleus but differ in the number of neutrons.
c.charge due to the reaction process between the two
