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Answer : 3. "Gallium "
Which element replaced eka aluminium according to Mendeleev’s periodic table?
5Q:
Which element replaced eka aluminium according to Mendeleev’s periodic table?
- 1Boronfalse
- 2Geraniumfalse
- 3Galliumtrue
- 4Sodiumfalse
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Answer : 3. "Gallium "
Explanation :
In 1871 Mendeleev predicted the existence of a yet-undiscovered elements and left gap for these in his periodic table. He named one of the element as eka-aluminium because of its proximity with the properties of aluminium. Later this gap was filled by gallium.