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प्रश्न
State the following:
The group which contains highly electropositive metals including sodium.
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उत्तर
1 [I – A] group contains highly electropositive metals.
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संबंधित प्रश्न
How does the valency of elements change of moving from left to right in the third period of the periodic table?
How does the valency of elements vary in going down a group of the periodic table?
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?
Correct the statements.
Elements in the same periods have equal valency.
K, Pb, Ca, Zn (In the increasing order of the reactivity)
Choose the correct answer from the choice given:
An element A belonging to Period 3 and Group II will have
Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide.
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)
Arrange the following as per instruction given in the bracket.
Li, K, Na, H ( decreasing order of their potential ionisation )
The elements of one short period of the periodic table are given below in order from left to right:
| Li | Be | B | C | O | F | Ne |
Which one of the above elements belongs to the halogen series?
