Atoms And Nuclei Question 271
Question: If elements with principal quantum number n>4 were not allowed in nature, the number of possible elements would be
Options:
A) 60
B) 32
C) 4
D) 64
Show Answer
Answer:
Correct Answer: A
Solution:
- The maximum number of electron is in an orbit is
is not allowed. Therefore the number of maximum electron that can be in first four orbits are Therefore, possible element are 60.