A Level Chemistry Q3

Question

Helium, He, is the second element in the Periodic Table.

Tritium is the isotope of Hydrogen, ³H.

Which no. of sub-atomic particles is the same in an atom of ⁴He and an atom of ³H?

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Answer ( 1 )

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    2021-02-02T01:55:55+08:00

    Hydrogen: 1 proton, 0 neutron

    Helium: 2 proton, 2 neutron

    Tritium: 1 proton, 2 neutron

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