Mendeleev's left the gap nder aluminium and a gap under silicon h… - Vidyadip

MCQ

Mendeleev's left the gap nder aluminium and a gap under silicon having atomic weights $68$ and $72$ respectively. These elements respectively are :

✓
Eka $-$ aluminium and Eka $-$ silicon.
B
Aluminium and silicon.
C
Eka $-$ germanium and Eka $-$ silicon.
D
Eka $-$ aluminium and Eka $-$ germanium.

✓

Answer

Correct option: A.

Eka $-$ aluminium and Eka $-$ silicon.

Mendeleev left the gap under aluminium and a gap under silicon, are called as Eka $-$ aluminium and Eka $-$ silicon, respectively.

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