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

Dobereiner arranged similar elements in a group of three i.e. triads, on the basis of:

A
Similar physical and chemical properties
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
The atomic weight of the third element was approximately the arithmetic mean of the first two elements
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
The atomic weight of the middle element was approximately the arithmetic mean of the other two elements
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Both (a) and (c)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D Both (a) and (c)
Dobereiner arranged similar elements in groups of three which had similar properties(called triads) and the atomic weight of the middle element was approximately the arithmetic mean of the other two elements.
Example:
Li(Atomic weight=7),Na(Atomic weight=23),K(Atomic weight=39)
Here,Na atomic weight=7+392=23

flag
Suggest Corrections
thumbs-up
5
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Recap
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon