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प्रश्न
How do alkaline earth metals occur in nature?
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उत्तर
Alkaline earth metals occur in nature in the combined state and not in the free state as they are very reactive.
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संबंधित प्रश्न
What are the following group known as?
Group 17
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.
Write the electronic configuration of the first two alkaline earth metals.
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Name the gas used in:
Bright colour advertising light works
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent 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
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group whose elements are unreactive or inert.
