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प्रश्न
Write a short note on the following type of element –
alkaline earth metals
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उत्तर
Elements of group II-A Be, Mg, Ca, Sr, Ba, Ra is called alkali earth metals as oxides of all these metals are alkaline in nature.
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संबंधित प्रश्न
Name two elements of each 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.
Name the method by which alkali metals can be extracted.
How do alkaline earth metals occur in nature?
Give reason:
Inert gases do not form compounds.
Write a short note on the following type of element –
noble gases
‘The periodic table contains elements methodically grouped together’.
State the main helpful features of the long form of the periodic table.
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
