Start learning →

Dobereiner's system failed because he could identify only how many triads?

A9
B3
C5
D7
Answer & Solution
Correct answer: B. 3
1. Very few elements were known at the time. 2. Only a handful of groups fitted his rule. 3. He found just 3 triads. _Source: syllabus Science Class X, Chapter 5, Periodic Classification of Elements._
Practise this question with Quill — Gujarat Board Class 10 (GSEB) →

Keep practising Periodic Classification of Elements

Browse all Periodic Classification of Elements questions for Gujarat Board Class 10 (GSEB), or explore more Chemistry topics.

Start a Periodic Classification of Elements lesson →
Related questions
Periodic table bingoType the numberSort the classificationsAcross or downSlice the periodic termsRun the periodic gatesPop the early attemptsCatch the metals