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Atomic Structure

Number of Energy Levels: 3

First Energy Level: 2

Second Energy Level: 8

Third Energy Level: 5

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How many protons and electrons are in phosphorus?

15 electrons and 15 protons


How many protons neutrons and electrons does phosphorus have?

Protons and Electrons= 15 Neutrons=16 *The isotope 31P is the only naturally occurring form of phosphorus. Forms with 17 or 18 neutrons have been synthesized, and are unstable radioisotopes.


The nuclei of all atoms of a given element always have the same number of what?

The nuclei of all atoms of a given element always have the same number of protons. This number is unique to each element and is known as the element's atomic number.


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


How many protons neutrons and electrons are in phosphorus?

It turns out that phosphoru has 15 protons. All atoms of phosphoru have the same number of protons, and that's what makes them phosphorus. The phosphorus we recover to use has 16 neutrons. Naturally occuring phosphorus only comes in this one "flavor" with the 16 neutrons. There are phosphorus atoms with other neutron counts, but these are all synthetic, and have been made in the physics lab or created in other radioactive environments. Lastly, in the neutral atom of phosphorus, there will be 15 electrons - one for each proton. Note that phosphorus can engage in chemical reactions or in ionizing situations where it can borrow or lose electrons, and an investigator cannot be more specific except to say that phosphorus is reactive and isn't found free in nature. It is found in compounds where it has borrowed electrons. Wikipedia has some good information on this interesting element, and a link is provided.