Answers: 1
is for phosphorus having atomic number 15. That means it has 
in its neutral state.
has a -3 charge that means it has gained 3 electrons so, the number of electrons in the 
. The number of protons will remain same that is the number of protons = 15.
that gives 
charge on the 
. 
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The ion p3− has protons and electrons. enter your answers as integers separated by a comma.'...
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