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प्रश्न
Write the electronic configuration of the first two alkaline earth metals.
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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?
Name the method by which alkali metals can be extracted.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
How many electrons do inert gases have in their valence shells?
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
State the characteristics which remain similar in moving down in a group of the periodic table.
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.
State the following:
The group whose elements are unreactive or inert.
