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प्रश्न
What was Mendeleev's basis for the classification of elements?
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उत्तर
Mendeleev's basis for periodic classification:
- Similarities in the chemical properties of elements.
- Increasing order of atomic weights of elements.
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संबंधित प्रश्न
State five uses of metals.
Mention two uses of the following metals and non-metals
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| i. | Softest metal | a. | Copper |
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| iii. | Hardest non–metal | c. | Osmium |
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Which metals are liquid at room temperature?
