An element or compound which occurs naturally in the earth is a mineral
For Nitrogen Atom:
Atomic Number - 7
Protons - 7
Neutrons - 8
Electrons - 7
Cation/Anion - Anion
For Nitrogen Ion:
Atomic Number - 7
Protons - 7
Neutrons - 8
Electrons - 10
Atomic Symbol - N3-
Answer:
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Filtration is useful for separating sediments that are carried in water for easy drinking without the risk of disease - an example of this is a water purifier
