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प्रश्न
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
उत्तर
Elements of the I – A group are metals, react with water to form alkalis.
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संबंधित प्रश्न
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name the first three alkaline earth metals.
Name the gas used in:
Filling balloons
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
Give reason:
Inert gases do not form compounds.
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
Write a short note on the following type of element –
noble gases
Select the correct answer from the options given below.
The most reactive halogen from group 17.