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15 protons

18 electrons

And I believe roughly 16 neutrons

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13y ago

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Related Questions

What is the charge if the ion formed when phosphorus achieves a noble gas configuration?

[Ne]3s^23p^6P3-. P is in group V (group 15 moden periodic table) so gains three electrons, each carrying a 1- charge.


What is the formula of ion formed when phosphorus achieves a noble gas electron configuration?

P3- or phosphide ion is formed. it has the same number of electrons as the noble gas, argon


How many electrons are in a phosphorus Ion's outermost energy level?

A phosphorus ion (P3-) has 8 electrons in its outermost energy level. This is because phosphorus has 5 electrons in its outermost shell, and when it gains 3 electrons to become an ion, it will have 8 electrons in total in its outermost energy level.


How may electrons does a phosphide ion have?

Most probably 10 electrons as a phosphide ion with 3-charge has 8 valence electrons.


What are the number of protons neutrons and electrons in - 3 phosporus ion?

P3- has 15 protons, 16 neutrons and 18 electrons.


What is the ionic charge of an ion with 15 protons and 18 electrons?

An ion with 15 protons and 18 electrons has a net charge of +3 since it has 3 more electrons than protons. This ion would be classified as a cation.


Which noble gas has the same number of electrons as an ion of barium?

There is no such noble gas with the same electron configuration as helium ion. Helium is the first noble gas, is stable and does not form ions. There can be, however, other ions such as H- or Li+ that will have the same number of electrons as element helium.


How many electrons does anion P have?

The phosphide ion has 18 electrons as it forms an anion with the valency of three.


The element which is isoelectronic with phosphide ion?

Nitride (of Nitrogen), Arsenide (of Arsenic), Antimonide (of Antimony), Bismuthide (of Bismuth) and Boride (of Boron)


Which atom will produce an ion with 15 protons 16 neutrons and 18 electrons?

A phosphorus atoms has 15 protons and will form an ion with 18 electrons. Phosphorus-31 is one of the isotopes.


How many electrons can phosphorous gain or lose?

Phosphorus can gain up to three electrons to achieve a full outer shell and form the phosphide ion (P3-), or lose up to three electrons to achieve a stable electron configuration and form the phosphorus cation (P3+).


What ion does phosphorus ion have?

Phosphorus generally forms phosphide ion (P3- ion).