if mass of protons is reduced by 2 times and mass of neutrons is increased by 4 times then what is the mass number of carbon
Answer (1)
17th Jun, 2022
Hi aspirant
Total Mass ( Mass no.) = Total no. of protons + Total no. of neutrons (as the mass of electron is negligible hence not taken into consideration).
Now carbon has 6 neutrons and protons.
if the mass of protons is reduced by 2 times, that means no. of protons become 6/2 = 3
if the mass of neutrons is increased by 4 times, that means no. of neutrons become 6 x 4 = 24
hence the new mass no. will be 3 + 24 = 27
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