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Bromine isotopes have different mass numbers because their atoms have different numbers of neutrons.

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What are the atomic number and mass number of bromine?

The mass number is the som of protons and neutrons in the atomic nucleus of a chemical element. Each isotope has a different mass number. For natural isotopes of bromine the mass numbers are 79 and 81.


Can one use the average mass of elemental bromine for the atomic mass of bromine?

Yes, that is what is used. Bromine is I think ~51:49 ratio of Br79 and Br81. Therefore it is somewhere in between (79.9g/mol)


What is the the mass number for bromine?

Bromine is a non metal element. Mass number of it is 80.


An atom of bromine has a mass about four times greater than that of an atom of neon which comparison of the relative numbers of bromine and neon atoms in 1000 g of each element?

In 1000g of bromine, there are fewer atoms compared to 1000g of neon because the atomic mass of bromine is higher. This means that the same mass of bromine contains a lower number of atoms compared to neon due to the higher atomic mass of bromine.


What does bromine 35 mean?

Bromine-35 refers to an isotope of bromine that has an atomic mass of 35 atomic mass units. It is one of the stable isotopes of bromine, with approximately 75% natural abundance. Isotopes of an element have the same number of protons but differing numbers of neutrons in their atomic nuclei.


Why is bromine 79 and 81 have diffident mass number but still the same chemical reaction?

They have different mass numbers because of having different no of neutrons.chemical properties of an element are determined by no of electrons.Isotopes have equal no of electrons ,so chemical properties are equal


What is the Mass number of a bromine atom?

Bromine has an approximate atomic mass of 79.904.


What is the relative atomic mass of bromine?

Bromine is a non meta element. Atomic mass of it is 80.


What is Bromine atomic mass?

Bromine is a metal element. Atomic mass of it is 79.90.


What does the 80 stand for in Bromine-80?

This is the mass number of the specific isotope. Since the atomic number of bromine is 35, bromine-80 has 35 protons and 45 neutrons. Bromine-80 can also be written in formulas as 80Br.


What same mass numbers do isotopes have?

Mass numbers of isotopes are different.


What is the atomic mass of bromine-97?

Bromine is a non metal element. Atomic mass of it is 80.