All sodium atoms have 11 protons in the nuclei of sodium Adams contains 12 neutrons and others contain 11 these different forms
of sodium are called?
1 answer:
Isotopes
Atoms of the same element; number of protons remain the same, number of neutrons vary. Chemical properties remain the same. Atomic mass varies.
Na sodium with 11 neutrons = atomic mass of 22
With 22 neutrons the mass is 23.
Both have 11 protons in the nucleus.
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