wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Which amongst the following elements have the lowest number of electrons in the valence shell ?


A

Oxygen

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

Chlorine

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

Nitrogen

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

Boron

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

Boron


Boron has just 3 electrons in the valence shell. Its atomic number is 5 and electronic configuration is 2, 3.

Oxygen has 6 electrons in the valence shell. Its atomic number is 8 and electronic configuration is 2, 6.

Chlorine has 7 electrons in the valence shell. Its atomic number is 17 and electronic configuration is 2, 8, 7.

Nitrogen has 5 electrons in the valence shell. Its atomic number is 7 and electronic configuration is 2, 5.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Lines, Lines and More Lines
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon