A non-metal x2- has 10 electrons and 8 neutrons, find the atomic no. and mass no. of the element X. Also identify the element X
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18 is the atomic no. and 36 is Mass no.
argon is element
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Atomic mass=8 amu
Mass number=16 amu
Element X is oxygen
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Anonymous:
But it can be sulphur too as the electronic configuration of sulphur is also 16 ?
Sulphur atomic number is 16 but mass number is 32
Thanks
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