The atomic weight of an element is 39. The number of neutrons in its nucleus is one more than the number of protons. The number of protons, neutrons and electrons respectively in its atom would be

Options :
  1. 19,19,20
  2. 20,19,19
  3. 20,19,20
  4. 19,20,19

Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : The uncertainty principle and the concept of wave nature of matter was proposed by ---------and resp...

Next Question : The maximum number of electrons in an atom with l = 2 and n = 3 is

Click here for free online test on Structure of Atom


 (Getemail alerts when others member replies)

Wealth is nice to have, unless it costs your soul. Nothing is worth the loss of what is you.
-Adrian Michael Carrier