From a periodic table, we can see that the atomic number of phosphorus (the smaller number) is 15, so that means that phosphorus has 15 protons. An atom does not have a charge, and so number of protons=number of electrons. Phosphorus also has 15 electrons. A periodic table also gives us the mass number of phosphorus (the bigger number) which is 31. This number is equal to protons + neutrons in an atom, so mass number - protons = neutrons. 31 - 15 = 16, so phosphorus has 16 neutrons. Show Answered by Annabelle C. • Chemistry tutor 12422 Views See similar Chemistry GCSE tutors How many protons neutrons and electrons are in phosphorus?Phosphorus-32 is composed of 15 protons, 17 neutrons, and 15 electrons.
How many protons does phosphorus contain?According to the Jefferson Lab, the properties of phosphorus are: Atomic number (number of protons in the nucleus): 15. Atomic symbol (on the Periodic Table of Elements): P. Atomic weight (average mass of the atom): 30.973762.
Does phosphorus have 15 protons and 16 electrons?Explanation : if you look at the periodic table, phosphorus has 15 electrons and protons, and 16 neutrons.
How many protons does phosphorus 30 have?Therefore, a phosphorus atom has fifteen protons and fifteen electrons. The number of neutrons in an atom can be determined by the difference between the atomic mass and the number of protons. The difference between the mass number of the phosphorus atom and the number of protons is sixteen.
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How many protons does phosphorus have
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