define atomic number and mass number
Answers
Answered by
33
Atomic number is the number of protons in an atom and mass number is the sum of protons and neutrons in an atom
Answered by
23
The number of protons present in the nucleus of an atom is called atomic number.
Mass number of an element is the number of protons and neutrons in an atom of the elments. Usually it is equal to the atomic weight of the elments converted to the nearest whole number.
Mass number of an element is the number of protons and neutrons in an atom of the elments. Usually it is equal to the atomic weight of the elments converted to the nearest whole number.
Similar questions