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 State Board
Class 9
Periodic classification of elements
The different types of periodic table and it's elements
1.
Dobereiner's law: fill in the blanks
Exercise condition:
2
m.
Fill in the blanks:
1.
__________ was the last element in Dobereiner triad group\(1\).
2.
Dobereiner's triad law did not apply to elements having __________ atomic mass?
Login
or
Fast registration
Previous theory
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!