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प्रश्न
Name the first three alkaline earth metals.
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उत्तर
The first three alkaline earth metals are Beryllium, Magnesium, and Calcium.
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
Name two elements of each group.
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Write the electronic configuration of the first two alkaline earth metals.
Name the gas used in:
Light bulbs
Write a short note on the following type of element –
alkali metals
Write a short note on the following type of element –
halogens
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
Match the elements of List – I with their type from List – II.
| List – I | List – II |
| 1. Highly reactive, univalent metals | A: Halogens |
| 2. Highly reactive, univalent non-metals | B: Transition elements |
| 3. Unreactive, inert elements | C: Alkali metals |
| 4. Elements of group 3 to 12 [IB to VII B and VIII] | D: Lanthanide series |
| 5. Radioactive elements | E: Noble gases |
| F: Actinide series |
