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mass no.=no.of electrons+no.of protons
56= 24 + no.of protons
56-24=no.of protons
32=no.of protons
no.of protons is equal to no.of neutrons
so the answer is 2) 32
56= 24 + no.of protons
56-24=no.of protons
32=no.of protons
no.of protons is equal to no.of neutrons
so the answer is 2) 32
shivam94698:
but your answer is wrong according in given solution
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