Which of the following does not follow octet rule ?
A
Na+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Ne
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
He
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Al+3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is CHe Helium has two electrons in its valence shell so it is the element which attains the noble gas configuration with two electrons in its outer shell.