How many protons, neutrons and electrons does Neon have?

Name, Neon. Symbol, Ne. Atomic Number, 10. Atomic Mass, 20.1797 atomic mass units. Number of Protons, 10. Number of Neutrons, 10. Number of Electrons, 10. Melting Point, -248.6° C. Boiling Point, -246.1° C. Density, 0.901 grams per cubic centimeter. Normal Phase, Gas. Family, Noble Gas. Period, 2. read more

So Neon-20 would have 10 neutrons (10 protons + 10 neutrons give a mass of 20) Neon-21 would have 11 neutrons (10 protons + 11 neutrons give a mass of 21) Neon-22 would have 12 neutrons (10 protons + 12 neutrons give a mass of 22) *Isotopes are basically different forms of the same atom. read more