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Phosphorus always has 15 protons; that is the definition of the element.

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How many protons are in an atom of phosphorous?

All phosphorus atoms have 15 protons (hence their atomic number of fifteen). Assuming the atom is neutral, it will also have an equal amount of electrons.


How many protons neutrons and electrons does a neutral atom of phosphorous have?

A neutral atom of phosphorus has 15 protons, 15 neutrons, and 15 electrons. Each proton has a positive charge, each neutron has no charge, and each electron has a negative charge, resulting in the atom being electrically neutral.


How many valence electrons are found in a neutral atom of phosphorous?

5


How many protons does a neutural atom of chlorine have?

An atom of chlorine has 17 protons.


What are there as many of as electrons in a neutral atom?

protons


If a neutral atom has 8 protons it must have how many electrons?

The atom must have 8 electrons to make it have a neutral charge


If a neutral sodium atom has 11 protons how many electrons does it have?

If a neutral atom of sodium has 11 protons, it will have 11 electrons also.


How many electrons will a neutral atom have when it has 12 protons?

A neutral atom with 12 protons will have 12 electrons in order to balance the positive charge from the protons.


How many protons does a neutral atom of oxygen -16 have?

8 protons


How many electrons versus protons in an atom?

The number of electrons should = the number of protons.


How many protons are there in the neutral atom of 13C?

There are 6 protons in a neutral atom of Carbon 13


35 protons how many electrons?

An atom with 35 protons is iodine, which is a neutral atom. In a neutral atom, the number of electrons equals the number of protons, so it also has 35 electrons. Therefore, an atom with 35 protons has 35 electrons.