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प्रश्न
Which of the following would weigh the least?
(Atomic masses C = 12, 0 = 16, Na = 23)
विकल्प
2 gram atoms of oxygen
One mole of sodium
22.4 litres of carbon dioxide at STP
6.023 × 1022 atoms of carbon
उत्तर
6.023 × 1022 atoms of carbon
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संबंधित प्रश्न
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Fill in the blank in the following statement:
On going down in a group in the periodic table, the metallic character of elements ...............
Fill in the blank in the following statement:
The tendency to gain an electron ............... on moving down in a group of the periodic table.
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| Li | Be |
| Na | |
| K | |
| Rb | |
| Cs | |
| Fr | Ra |
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(d) Which one of the above elements belongs to the halogen series?
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An element A has 2 electrons in its fourth shell. State:
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