Multiple choice

Which of the following are the discrepancies in Mendeleev's periodic table?

(a) He placed some alkali metals with coinage metals in the same group. (b) He placed dissimilar elements in the same group. (c) The atomic masses do not increase in a regular manner in going from one element to the next in the same period.

  1. Only (a) and (b)

  2. Only (a), (b) and (c)

  3. Only (a) and (c)

  4. Only (b) and (c)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All the statements given above were the discrepancies in Mendeleev's periodic table. 

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