According to Mendeleev's periodic table, which unknown e

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According to Mendeleev's periodic table, which unknown element of group III had an atomic mass of 68 that was later replaced by gallium?

[SSC CHSL 10th June 2022 Shift-2 With Answers]

A

Eka-aluminium

B

Eka-manganese

C

Eka-boron

D

Eka-silicon

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