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Knowing which element it is and its formal charge, subtract the charge from its atomic number.

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Q: How do you find how many electrons an atom has?
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Related questions

How many electrons does an atom has?

It depends on the atom you are reffering to, but to find the electrons take away the number of protons from the mass number of the atom.


How many electrons in an atom with 49 protons?

A neutral atom with 49 protons has 49 electrons.


How many electrons does alluminum have?

Aluminium is a metal element. There are 13 electrons in a single atom.


How many valence electrons there are for an atom?

Carbon has for valence electrons for forming covalent bonds.


What would you find orbiting the nucleus of an atom?

If you're referring to the nucleus of an atom, the answer is electrons.


How many electrons are in a positive 2 atom?

This is a chemical element. You can find the how many electron in a single atom by using a periodic table.


How many electrons are in an atom fo magnesium?

This is a chemical element. You can find the how many electron in a single atom by using a periodic table.


How many electrons are found in atom of phosphorus?

This is a chemical element. You can find the how many electron in a single atom by using a periodic table.


How many electrons are in a selenium-76 atom?

This is a chemical element. You can find the how many electron in a single atom by using a periodic table.


How many electrons are in a atom of mecrury?

A Mercury atom has 80 electrons.


How many electrons does a atom have?

The number of electrons depends on what type of atom it is.


How many electrons in an atom of nitrogen?

A nitrogen atom has seven electrons.