Formula are He and N2
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The chemical formula for helium is He, and the chemical formula for nitrogen is N2.
The chemical formula for helium is He, while the chemical formula for nitrogen is N₂.
Helium has fewer protons than Nitrogen. Helium has 2 protons, while Nitrogen has 7 protons.
The chemical symbol of a nitrogen atom is "N", but at standard temperature and pressure, nitrogen exists primarily as diatomic molecules with the formula N2. Note that all molecules, even those containing only a single type of atom, have formulas rather than symbols, which are properties of atoms or of elements regarded as abstractions only.
NBr3 is the chemical formula for nitrogen bromide
Helium is not found in caffeine. Caffeine is made up of carbon, hydrogen, nitrogen, and oxygen atoms. Helium is a noble gas and is typically not found in organic compounds like caffeine.