an atom contain 3 proton , 3 electron and 4 neutrons, find its atomic no. ,mass no., and valency
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Answered by
104
atomic no= no of electrons=3
mass no = no of proton+neutron=7
valency =1 as there are 3total electrons 2 in 1st shell and one in outermost shell
mass no = no of proton+neutron=7
valency =1 as there are 3total electrons 2 in 1st shell and one in outermost shell
Answered by
29
atomic number is 3'.'hl that is lithium... valancy is one... mass number is 7'.''
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