Chemistry
Answer
| Duplet Rule | Octet 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. |
Related Questions
What are noble gases. Give a reason why noble gases have stable electronic configuration.
Explain the reason for chemical activity of an atom with reference to it's electronic configuration.
Explain the octet rule for formation of —
(a) Sodium chloride from a sodium atom and a chlorine atom.
(b) Nitrogen molecule from two nitrogen atoms.
Differentiate between the terms —
Stable and unstable electronic configuration