A) 8,10,11
B) 10,10,10
C) 10,11,10
D) 11,10,10
Correct Answer: B
Solution :
Heavy water is \[{{D}_{2}}O\]hence number of electrons = 2 + 8 = 10 number of protons = 10 Atomic mass of \[{{D}_{2}}O=4+16=20\]hence number of neutron = Atomic mass ? number of protons\[=20-10=10\]
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