The mass number of this atom is 23, the sum of the number of protons and neutrons.
Mass of an atom = mass of protons + mass of neutrons
The number of protons
For a stable atom, no. of protons= no. of electrons no of neutrons= Atomic Mass- no. of protons
For a stable atom, no. of protons= no. of electrons no of neutrons= Atomic Mass- no. of protons
Protons, neutrons and electrons
Protons, neutrons and electrons
No protons and neutrons
Americium has 95 protons and electrons. Number of neutrons: Atomic Mass of an isotope - number of protons
Protons, neutrons and electrons
If you have 92 protons and 108 neutrons you will get 200 electrons
The major contribution to the mass of an atom is from protons and neutrons; electrons have a known but negligible mass.
The mass of an atom is the sum of the masses of protons, neutrons and electrons.