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No.of electrons in H - 1, No. of protons in Nitrogen - 7, No. of electons in Aluminium - 13, No. of neutrons in Sodium - 12, No. of protons and neutrons in Litium - 7, No. of electrons in Si - 14, No. of neutrons in S - 16, No. of electrons and protons in Boron - 10, No. of neutrons in Fluorine - 10, No. protons in Argon - 18, No. protons in Mg - 12, No. of protons and neutrons in Carbon - 12,

Atomic number and mass wwrace

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