Question

calculate the number of electrons protons and neutrons in argon​

Answer 1

Step-by-step explanation:

To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number:

number of protons = atomic number.

number of electrons = atomic number.

number of neutrons = mass number - atomic number.

Answer 2

NameArgonSymbolArAtomic Number18Atomic Mass39.948 atomic mass unitsNumber of Protons18Number of Neutrons22Number of Electrons18Melting Point-189.3° CBoiling Point-186.0° CDensity1.784 grams per cubic centimeterNormal PhaseGasFamilyNoble GasesPeriod3Cost50 cents per 100 grams