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Question
What are the following group known as?
Group 1
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Solution
Group 1 is known as the alkali metals.
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RELATED QUESTIONS
What are the following group known as?
Group 17
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas with duplet arrangement of electrons.
Name the method by which alkali metals can be extracted.
How many electrons do inert gases have in their valence shells?
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Give reason:
Alkali metals are kept in an inert solvent.
Write a short note on the following type of element –
noble gases
State the following:
The group whose elements are unreactive or inert.
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 |
