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प्रश्न
Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)
उत्तर
Scandium and germanium.
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संबंधित प्रश्न
Which of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic Table.
What property do all elements in the same column of the Periodic Table as fluorine have in common?
Name two elements whose properties were predicted on the basis fo their positions in Mendeleev's periodic table.
What name were given by Mendeleev to the then undiscovered element scandium.
What name were given by Mendeleev to the then undiscovered element gallium?
The correct formula of the oxide of Eka-aluminium element predicted by Mendeleev was:
(a) EaO3
(b) Ea3O2
(c) Ea2O3
(d) EaO
Eka boron : Scandium : : Eka Aluminum : _______
Find the odd one out and give its explanation.
Match the columns.
| Column A | Column B |
| 1) Eka-aluminium | a) Scandium |
| 2) Eka-Silicon | b) Gallium |
| 3) Eka- boron | c) Germanium |
| d) Beryllium |
Write the name.
The family of group 1 elements.
