0
Rest mass of neutron, and rest mass of proton.
If you mean the symbol, mn0 and mp0.
If you mean the values, to 4 significant figures 1.673*10^-27kg for a proton, 1.675*10^-27kg for a neutron.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
The mass of all particles of an atom added together is its what?
The sum of protons and neutrons in an atom is called mass number.
An atoms what number is the sum of protons and neutrons?
The sum of protons and neutrons in an atom is called mass number.
What is the number of protons and neutrons called?
The number protons in an atom is called the atomic number (it is this number that tells us which element the atom is). The number of neutrons in an atom can change, but the term for the amount of neutrons is called an isotope. The number of protons and neutrons added together is called the atomic mass.
The number of protons and neutrons is called?
The atomic mass
What is the total mass of the protons and neutrons in an atom called?
atomic mass : )
The combined number of protons and neutrons?
Number protons + number neutrons is called the mass number or the atomic mass.
What they do mass number?
Mass number is about the neutrons and protons. The total of neutrons and protons.
What is the sum of the protons and the neutrons in a nucleus called?
Mass number
What is the total number protons and neutrons in an atom called?
mass number = protons + nuetrons
The mass number of an element is equal to the total number of?
The mass number is the average atomic mass of all the isotopes that are found in nature.
What is the sum of protons and neutrons in an atom?
Mass number!:)
What is the total number of protons and neutron's in an atom called?
mass number = protons + nuetrons
