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Atomic number is the number of protons. Mass number is the total of protons and neutrons.

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What is the difference between the atomic number mass number and atomic mass?

We 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.


What is Relation between atomic and mass numbers?

mass number=atomic number+no. of neutrons


What are the differences between atomic number and atomic mass?

Atomic mass is the mass of an atom in atomic mass units, and includes protons, neutrons, and electrons; and atomic number is the number of protons in the nucleus of the atom.


What is the difference between the atomic number and average atomic mass?

We 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.


What best describes the number of neutrons in an atom?

It is equal to the difference between atomic number and Atomic Mass number. A+


What is the difference between the atomic number an its atomic mass?

Atomic number is the amount of electrons. Atomic mass is the amount of protons and neutrons.


What is the difference between atomic number and atomic mass weight?

Atomic mass is the mass of an atom in atomic mass units, and includes protons, neutrons, and electrons; and atomic number is the number of protons in the nucleus of the atom.


What are some differences between atomic mass and atomic number?

Atomic mass is how much it weighs, the atomic number is how many protons/electrons it has


Difference between atomic and mass number?

Atomic number shows the number of protons in an element and the mass number shows the number of protons+neutrons In an electrically neutral atom, atomic number is also the number of electrons .


What is difference between atomic weight and atomic mass?

Atomic Mass is the mass of an atom in Atomic Mass units, and includes protons, neutrons, and electrons; and atomic number is the number of protons in the nucleus of the atom.


What is the difference between atomic mass and atomic weight?

Atomic Mass is the mass of an atom in atomic mass units, and includes protons, neutrons, and electrons; and atomic number is the number of protons in the nucleus of the atom.


What is atomic mass and the number of calcium?

Calcium has atomic number of 20, an atomic weight of 40.078 and an mass numbers of 40 - 48 inclusive in its isotopes. Atomic number is the count of protons in the nucleus. Mass number is the count of protons plus neutrons. The question refers to atomic mass rather than atomic weight. Atomic mass normally refers to the mass of a specific isotope of an element and is related to the mass number. Atomic weight ( or relative atomic mass as it is termed by IUPAC) the average mass of naturally occurring isotopes of an element. The relationship between mass number and atomic mass is defined in terms of the Atomic mass unit which is in simple terms 1/12 of the mass of a 12C atom. If you need to find out more about the relationship between mass number and and atomic mass you need to read the article "atomic mass unit" in wikipedia.