it is simple. all you need to do is look in the periodic table the numbers above and under the letter. Atomic number is determined from the number of protons in the nucleus. Atomic mass is determined...
Atomic number is number of protons in an atom while atomic mass is the sum of protons and neutrons in an atom when you subtract you will get the number of neutrons in an atom.
The atomic number tells how many protons are in the atom, and the atomic mass tells how many neutrons and protons are in the atom together.Like Oxygen has an atomic number of 8. It also has 8...
Atomic number is the number of protons (positively charged particles) in the nucleus of an atom. It's value is a whole number (an integer). Atom number uniquely defines the element. It defines the...