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प्रश्न
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
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उत्तर
Alkali metals and alkaline earth metals have 1 and 2 valence electrons, respectively, in their outermost shell.
They can lose electrons to atoms of non-metals to form an electrovalent compound.
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संबंधित प्रश्न
What is meant in the periodic table by a group?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas having electronic configuration: 2, 8, 8.
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
Name the method by which alkali metals can be extracted.
Name the first three alkaline earth metals.
How many electrons do inert gases have in their valence shells?
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 –
noble gases
Give a reason for the following:
Noble gases do not form compounds readily.
