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What's the difference between atomic number and atomic mass number?
Wiki User
∙ 9y ago
Atomic number is the number of protons in a nuclide. This identifies the element.
Mass number is the number of nucleons in a nuclide, a nucleon being a proton or a neutron. This, together with the atomic number, identifies which isotope of the element it is.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoMass number: The number of protons + neutrons in an atom (Hydrogen: 1.008/ Lithium: 6.941)
Atomic number: It is the number of protons in an atom. (This is the number the element is listed under: Ex Hydrogen (H) 1/ Lithium (Li) 3)
not so sure about this answer... i will edit when i get the answer...
Wiki User
∙ 11y agoAtomic Mass is the average relative mass (average mass of all the possible isotopes)
mass number is the number of protons plus neutrons in an atom
atomic number is the number of protons in the element.
Wiki User
∙ 14y agoAtomic number is the number of protons in the nucleus. Mass number is the number of protons plus neutrons.
Wiki User
∙ 9y agoWe can find atomic mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.
Wiki User
∙ 12y agoatomic mass is the number of protons in an atom
mass number is the number of protons plus neutrons in an atom
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Whats the difference between atomic mass and mass number?
Atomic mass is the average of the masses of the naturally existing (i.e. mixture of) isotopes of one specific element.The atomic mass number is the sum of the protons and neutrons in the nucleus of an atom (specific for one specific isotope).
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