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To find the number of neutrons in an isotope you subtract the atomic number from the mass number.

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15y ago
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15y ago

you need to round up the atomic # (number) so that you can get your most accurate guestemated #

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11y ago

all you need to know is how many protons and neutrons are in the atom.

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13y ago

you have to know the number of the electrons.

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8y ago

The atomic number of each isotope is needed.

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14y ago

Number of protons

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7y ago

The abundance percentage of each isotope.

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Q: What information would you need to calculate the atomic mass of an atom?
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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 do you calculate the atomic mass?

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


How you calculate the atomic mass?

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


In 4gm of Ag .calculate weight of one atom of Ag?

That should be mass, not weight. The mass of one atom of Ag doesn't depend on the size of the sample. Also, you can't "calculate" the mass of one atom from the information provided. You can look it up - or you can look up the atomic mass of Ag, and multiply it by the atomic mass unit.


What pieces of information best describes the atomic number of an atom?

Atomic number = number of protons in an atom, and = number of 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 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 a mass of am atom?

To calculate the atomic mass of an element, add up the mass of protons and nuetrons.


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

Atomic weight minus number of protons.


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

Atomic mass is simply the sum of the number of protons and the number of neutrons. If an atom has "A" protons and "B" neutrons, its atomic mass is A + B.


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

because an atomic number is the same as the number of electrons in an atom (not ion)


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.