Bright Tutorials Bright Tutorials
ICSE Class 9 Chemistry Question 9 of 22

Atomic Structure — Question 16

Back to all questions
16
Question

Question 15.2

Differentiate between the terms —

Duplet and octet rule.

Answer
Duplet RuleOctet Rule
For an atom to achieve stable electronic configuration it must have 2 electrons in the first shell [outermost] like that of noble gas Helium.For an atom to achieve stable electronic configuration it must have 8 electrons in outermost orbit like that of noble gases other than Helium.