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you don't calculate it, you look at the number that is usally above the chemical symbol on the periodic table.

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16y ago

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Related Questions

How do you calculate the number of neutron in the nucleus of an atom?

You calculate the number of neutron in the nucleus of an atom by : atomic mass - atomic number = neutron number. :) hope this helps


How you calculate the atomic mass?

the Atomic Mass number is the number of protons/electrons in an atom


How do you calculate the atomic mass?

the Atomic Mass number is the number of protons/electrons in an atom


How do you calculate the atomic mass number?

the atomic mass number is the number of protons/electrons in an atom


How do calculate the number of electrons in neutral atom poses?

Look up the atomic number of the element. The atomic number is the number of protons, in a neutral atom this is the same as the number of electrons.


How do you calculate the number of proton neutron and electron using atomic no and mass no?

To calculate the number of protons in an atom, use the atomic number (Z), which represents the number of protons. The number of neutrons can be calculated by subtracting the atomic number from the mass number (A = Z + N). Electrons are the same as the number of protons in a neutral atom.


Why do you calculate the number of electrons by the atomic mass and number?

You calculate the number of electrons by the atomic mass and number because elements have the same number of electrons as they do protons. The atomic number tells you the number of protons, which is also the number of electrons in a neutral atom. By using the atomic mass to find the number of neutrons, you can determine the overall charge and number of electrons in an atom.


How do you calculate how many neutrons there are in a atom?

The atomic weight minus the number of protons = the atom's neutrons.


How do you calculate the atomic mas based on the number of protons and neutrons of an atom?

To calculate the atomic mass of an atom, you would add the number of protons and neutrons together. Protons and neutrons each have a mass of approximately 1 atomic mass unit (amu). The sum of the protons and neutrons will give you the atomic mass of the atom in atomic mass units.


How can you calculate the number of neutrons N in an atom?

equal to number of protons


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.


How do you calculate the number of protons in the nucleus of an atom?

The number of protons in a atom is equivalent to its atomic number. Hydrogen's atomic number is 1, there fore it has 1 proton. Coppers atomic number is 29 so it has a proton count of 29. And so on.