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प्रश्न
How do alkaline earth metals occur in nature?
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 1
What are the following group known as?
Group 18
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name the first three alkaline earth metals.
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.
Write a short note on the following type of element –
halogens
State the main helpful features of the long form of the periodic table.
Give a reason for the following:
Noble gases do not form compounds readily.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
