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Question
Write a short note on the following type of element –
alkali metals
Solution
Elements of I-A group like Li, Na, K, Rb, Cs, fr are called alkali metals because these metals react with water to form alkalis and hydrogen.
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Noble gas with duplet arrangement of electrons.
Name the method by which alkali metals can be extracted.
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Alkali metals and halogens do not occur free in nature.
Write a short note on the following type of element –
halogens
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
