An atom contains 3 protons and 4 electron find its atomic number n mass number
Hirdyarth:
my answer is correct
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atomic no. is 3 and you have to provide nom of neutron to get mass no.
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atomic no=4
mass no.=4+3=7
mass no.=4+3=7
mass no. is the sum of protons and neutrons but here no. of neutrons are not given so your answer i wrong
can you plz explain me how to find mass no.
mass no. is sum of protons and neutrons
oh thanku so much for increasing my knowledge
and sorry for my answer
plz thanks my answer
ur answer is surely wrong
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