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

The lowest first ionization energy would be associated with which of the following electronic configurations


A

1s2 2s2 2p6 3s1

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B

1s2 2s2 2p5

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

1s2 2s2 2p6

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

1s2 2s2 2p6 3s2 3p2

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A

1s2 2s2 2p6 3s1


Among elements of same period (a & d) ; alkali

metal (a) have least ionization energy due to larger atomic size. b and c belong to II period element. II period

elements have more I.e than III period elements.

Order of I.E. a<d<b<c


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Ionization Enthalpy
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon