A Level Chemistry Q3


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?

New Comer 0

Answer ( 1 )


    Hydrogen: 1 proton, 0 neutron

    Helium: 2 proton, 2 neutron

    Tritium: 1 proton, 2 neutron

Leave an answer