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After the IUPAC rules, Atomic Mass is an expression used only for the mass of isotopes (in atomic mass units).

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12y ago

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Atomic mass represents the weight of an atoms protons neutrons and electrons however the atomic mass is generally used to refer to just the number of protons and neutrons why?

its not D


What is the atomic mass number of krypton?

83.98 amu is the Atomic Mass, 36 is the atomic number.


Is it true that The atomic mass is equal to the atomic number?

No, the atomic mass is not equal to the atomic number. The atomic number represents the number of protons in an atom's nucleus, while the atomic mass is the sum of protons and neutrons in the nucleus. The atomic mass can differ from the atomic number, especially due to the presence of neutrons.


What does atomic weight refer to?

The mass of the protons plus the mass of the neutrons, also called the atomic mass.


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 do you do with an atomic number and an atomic mass?

The atomic number is the number of a chemical element in the periodic table of Mendeleev; the atomic number is equal to the number of protons and electrons. The atomic mass is the mass of an atom expressed in relative atomic mass units.


Can you use the atomic number and atomic mass to calculate the number of each subatomic particle?

atomic number = number of protons = number of electrons atomic mass = mass of protons + mass of neutrons


What is atomic mass and atomic number for radium?

The atomic number is 88 and the atomic mass is 226


What is the relationship btw atomic mass and atomic mass number?

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.


How much is the atomic mass and atomic number for corbon?

The atomic mass of carbon is about 12.01 atomic mass units. The atomic number of carbon is 6, indicating the number of protons in its nucleus.


How do you know the number of neutrons an atom has?

You can find the number of neutrons in an atom by subtracting the atomic number (number of protons) from the atomic mass number (rounded atomic weight). The atomic mass number represents the sum of protons and neutrons in the nucleus.


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 .