Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 9
Structure of the atom
Textbook based HOTS
13.
Multiple Choice Question Answer XIII
Exercise condition:
2
m.
1.
Which one of the following is a correct electronic configuration of Chromium-
2, 8, 15, 1
2, 8, 12, 2
2, 8, 18, 1
2, 8, 13, 1
2.
\(_{17}^{35}\textrm{Cl}\) and \(_{17}^{37}\textrm{Cl}\) have the same number of
Neutron
Proton
Electron & Proton
Electron
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!