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प्रश्न
Given alongside is a part of the periodic table. As we move vertically downward from Li to fr?
| Li | Be |
| Na | |
| K | |
| Rb | |
| Cs | |
| Fr | |
| rA | Ra |
What happens to the size of atoms?
उत्तर
The size of the atom increases.
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संबंधित प्रश्न
Write the electronic configuration of K and Ne.
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Which element has twice as many electrons in its second shell as in its first shell?
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Taking into consideration the period of the elements given below, answer the following questions:
| Elements | Atomic Radius (pm) |
| O | 66 |
| B | 88 |
| C | 77 |
| N | 74 |
| Be | 111 |
| Li | 152 |
- Arrange the above elements in decreasing order of their atomic radii.
- State the period to which the above elements belong.
- Why this arrangement of elements is similar to the above period of modern periodic table?
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- What is the periodic trend observed in the variation of atomic radius while going from left to right within a period?
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State the nature of compounds formed when group 17 elements combine with (i) metals (ii) non-metals.
Name or state following with reference to the elements of the first three periods of the periodic table.
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Name or state following with reference to the element of the first three periods of the periodic table.
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