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Atomic number is the number of protons in an atom, not the number of atoms. The element with the atomic number 15 is phosphorus.

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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.


What atoms contains 15protons?

Atom of element phosphorus.if there are 15 protons then definitely the atoñc number is 15 and phosphorus seem to have atomic number 15


How many atoms are there in phosphorus?

One phosphorus atom contains 15 protons and 15 electrons, giving it an atomic number of 15.


How many atoms are in phosphorus?

The number of protons and electrons are equal to the atomic number. For P, this is 15. The number of neutrons is the atomic mass minus the atomic number (31 - 15 = 16). So Phosporous has 15 electrons and protons, and 16 neutrons.


How many protons does atomic number of 15?

The atomic number is the number of protons, so 15.


What is the atomic number for phosphourus?

Fifteen (15)


How many atoms does the element phosphorus have?

The element phosphorus has 15 atoms, as indicated by its atomic number on the periodic table.


What is the atomic number of phosphorous?

Phosphorus is non metal element. Atomic number of it is 15.


What is the atomic number and atomic mass number in nitrogen -15?

The atomic number is 7. The mass number is 15. The atomic mass is 15,000 108 898 2(7).


What is the atomic number of atom P?

Phosphorus is a non metal element. Atomic number of it is 15.


From it's atomic number of 15 it is possible to predict that the phosphorus atom has?

15 protons. Atomic number determines the number of protons which the element has


Phosphorus has an atomic mass of 31 and an atomic number of 15 the number of neutrons must be?

Mass number = no. of protons + neutrons Atomic number = no. of protonsThus (mass number - atomic number) gives you no. of neutrons.Therefore for phosphorus, the number of neutrons would be 16.