the number of protons and electrons will be always equal or not why?

Asked by  | 8th Oct, 2012, 10:04: PM

Expert Answer:

No they are not, the number of electrons of an atom is the same number it has as its atomic number, and the same number as its number of protons. 
i.e.: Nitrogen
atomic # : 7
electrons: 7 (valence electrons=5)
protons: 7
mass number :14
neutrons: 14-7 = 7

Answered by  | 8th Oct, 2012, 10:25: PM

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