Atomic Structure Question 424

Question: Let mp be the mass of a proton, mn that of a neutron, M1 that of a 1020Ne nucleus and M2 that of a 2040Ca nucleus. Then

Options:

A) M2=2M1

B) M1<10(mp+mn)

C) M2>2M1

D) M1=M2

Show Answer

Answer:

Correct Answer: A

Solution:

  • 2040Ne contains 10 protons and 10 neutrons
    M1=10mp+10mn

2040Ca contains 20 protons and 20 neutrons
M2=20mp+20mn
M2=2M1



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