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प्रश्न
Name two elements of each group.
उत्तर
- Group 1: Lithium (Li), Sodium (Na)
- Group 17: Chlorine (Cl), Iodine (I)
- Group 18: Helium (He), Neon (Ne)
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संबंधित प्रश्न
What is meant in the periodic table by a group?
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.
Name the gas used in:
Light bulbs
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali metals and halogens do not occur free in nature.
Write a short note on the following type of element –
alkali metals
Write a short note on the following type of element –
alkaline earth metals
