Atomic Structure Question 78

Question: If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains [EAMCET 1986; AFMC 1989]

Options:

A) 11 protons, 23 neutrons, 11 electrons

B) 11 protons, 11 neutrons, 11 electrons

C) 11 protons, 12 neutrons, 11 electrons

D) 11 protons, 11 neutrons, 23 electrons

Show Answer

Answer:

Correct Answer: C

Solution:

Mass no. $ \approx $ At. Wt. Mass no. = no. of protons + no. of neutrons At. no. = no. of protons.



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