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An atom of atomic number 12and mass number 22 contains how many protons?

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15y ago

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Related Questions

What are the differences between the atomic number and the mass number of an atom?

atomic no is the no of protones in a nucleus while atomic mass is the sum of protons and neutrons in nucleus of an atom....


How the protones of atoms are together in nucleus?

depends on the proton number of the atom, for nitrogen it's 7 so there are 7. The mass number is the number of protons and neutrons so if you subtract the proton number you get the number of neutrons too


What indicates the total number of protons and neutrons in an atom?

The mass number of an isotope indicates the total number (the sum) of protons and netrons in an atom.The number of protons is determined by the atomic number.The number of neutrons can be found by subtracting the atomic number from the mass number.


How many potons and netrons are in an atom?

An atom contains protons, neutrons, and electrons. The number of protons determines the element and is equal to the atomic number. Neutrons have no charge and contribute to the atomic mass. The number of protons and neutrons together make up the atomic mass of the atom.


What are listed on the periodic table?

The atoms as a perspective of the number of protones in the nuclea. Also the mass of the nuclea is written, as an AMU (atomic mass units).


How many netrons are in a nitrogen atom?

In a nitrogen-14 atom, there are 7 neutrons, where the isotopes with mass numbers with 13 and 15, have 6 and 8 neutrons respectively.


What do you get when you change the mass number of an atom?

You can't change the mass number of an atom because the mass number is the number of protons which is the atom's atomic number I hope this helped :)


What is the sum of protons and neutrons in an atom?

Mass number!:)


Mass number used to calculate the number of?

The mass number is used to calculate the number of nucleons in an atom. It represents the sum of protons and neutrons in the nucleus of an atom. By knowing the mass number, one can determine the approximate atomic mass of the atom.


Is atomic number the same as mass number?

Atomic number is the number of protons in the atom; atom mass is the total mass of the atom (usually neglecting the mass of the electrons because they have so little).


What is the number of neutrons in an atom affects the atomic what?

The number of neutrons in an atom can affect the atomic mass of an atom.


What is the mass number of a atom?

the mass number is number of protons in an atom, plus the number of neutrons.