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Explanation:
all phosphors atoms have the same atomic number that is 15. the atomic number of phosphorus is 15 and it will be same in all the phosphorus atoms.
All phosphorus atoms have the same atomic number.
Explanation
The atomic number is always equal to the number of protons in an atom, and the electrons surrounding the nucleus have no effect on this.
Phosphorus atoms all have 15 protons, so they must also all have 15 electrons around them. In addition, each of these electrons will be negatively charged (because of the electron‘s attraction to the positive nucleus), and they will all occupy different energy levels.
Therefore, phosphorus atoms have 15 protons and 15 electrons. The number of neutrons is irrelevant; there are no neutrons present in elemental phosphorus. If we take two phosphorus atoms (P–32) as an example, they will have 15 protons and 30 electrons.