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प्रश्न
Name the method by which alkali metals can be extracted.
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उत्तर
Alkali metals can be extracted by the electrolysis of their molten salts.
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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.
What is meant in the periodic table by a group?
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
Name the alkali metals, How many electron(s) they have in their outermost orbit.
Name the gas used in:
Filling balloons
Name the gas used in:
Light bulbs
Give reason:
Alkali metals are kept in an inert solvent.
Write a short note on the following type of element –
halogens
Give a reason for the following:
Noble gases do not form compounds readily.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
