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.
