which element is atomic number 9 and and mass number 5
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Answered by
1
Answer:
They contain the same total number of protons plus neutrons in their atoms
we know that number of protons is atomic number.
and net charge on an atom is given by number of protons minus number of electrons.
Mass number = number of neutrons +number of protons.
Explanation:
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Answered by
1
Answer:
fluorine and 10.81
Explanation:
the atomic number 9 is Fluorine (F)
the atomic mass number 5 is 10.81 (B)
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