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प्रश्न
Besides gallium, which two other elements have since been discovered for which Mendeleev had left gaps in his periodic table?
उत्तर
Germanium (Ge) and scandium (Sc) are the two other elements besides gallium, which have since been discovered, for which Mendeleev had left gaps in his periodic table.
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संबंधित प्रश्न
Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)
How could the Modern Periodic Table remove various anomalies of Mendeleev’s Periodic Table?
What property do all elements in the same column of the Periodic Table as boron have in common?
Name two elements whose properties were predicted on the basis fo their positions in Mendeleev's periodic table.
State the periodic law on which Mendeleev's periodic table table was based. Why and how was this periodic law changed?
What name were given by Mendeleev to the then undiscovered element gallium?
State the merits of Mendeleev's classification of elements.
The elements from the zero group are called _______.
Describe the merits of Mendeleev’s periodic table?
Match the column:
| Column ‘A’ | Column ‘B’ |
| Alkali metals | (a) Group 18 |
| Halogens | (b) Group 1 |
| Noble gases | (c) Group 17 |
