Atoms And Nuclei Question 412
Question: If in nature there may not be an element for which the principal quantum number n > 4, then the total possible number of elements will be
Options:
60
32
4
64
Show Answer
Answer:
Correct Answer: A
Solution:
- For n=1, maximum number of states $ =2n^{2}=2 $ and for n = 2, 3, 4, maximum number of states would be 8, 18, 32 respectively, Hence number of possible elements = 2 + 8 + 18 + 32 = 60.
BETA
