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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
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
Name the method by which alkali metals can be extracted.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Inert gases do not form compounds.
Write a short note on the following type of element –
noble gases
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.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
