Login
Home
TOP
Send feedback
Login
Subjects
Science TNSB Mentoring
Class 9
Periodic classification of elements
The early quest for elemental order
1.
Dobereiner's law
Question:
2
m.
Fill in the blanks:
1.
__________ was the middle element in Dobereiner triad group\(1\).
2.
According to Dobereiner's triad law the mass of sodium is __________?
Login
or
Fast registration
Previous topic
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!