List the number of protons, neutrons and electrons.
19F-2
9
Protons = _____ B. Neutrons = ______ C. Electrons = _____
Answers
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Answer:
proton 9 ,neutron 9 ,electron 10
Explanation:
no of proton = no of neutron
9
no of electron
10
no of proton = no of neutron + no of electron
9 +10 =19
19 is the mass no of fluorine
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