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प्रश्न
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
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उत्तर
Elements of the I – A group are metals, react with water to form alkalis.
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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 and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas with duplet arrangement of electrons.
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.
Name the alkali metals, How many electron(s) they have in their outermost orbit.
Name the method by which alkali metals can be extracted.
Name the first three alkaline earth metals.
Write a short note on the following type of element –
alkali metals
Write a short note on the following type of element –
halogens
State the following:
The group whose elements are unreactive or inert.
