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SSC CHSL 2022 PYQ — Question 46

SSC CHSL - 26 May 2022 - Shift 3 • General Awareness • Q46

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Which element replaced eka aluminium according to the Mendeleev’s periodic table?

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Correct answer: C

Explanation

The correct answer is option 3 i.e. Gallium.

  • Gallium replaced eka-Aluminium in Mendeleev's Periodic Table.
  • Mendeleev created a periodic table of all the elements that were known at the time.
  • The rows of the table, called periods, each contained eight elements that increased in atomic mass from left to right.
  • The columns of the table, called groups, contained elements with similar properties