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प्रश्न
Write the electronic configuration of the first two alkaline earth metals.
उत्तर
Electronic configuration of the first two alkaline earth metals:
4Be: 1s22s2
12Mg: 1s22s22p63s2
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
Name the first three alkaline earth metals.
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali metals and halogens do not occur free in nature.
Give reason:
Inert gases do not form compounds.
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 which contains highly reactive electronegative non-metals including chlorine.
