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no of protons in helium atom	no of protons in helium ion
no of protons in helium molecule	no of protons in helium gas
protons in carbon	no of protons in helium 3
number of protons in helium	no of protons in helium 5
protons in nitrogen	no of protons in helium 4
no of protons in helium element	no of protons in helium bond