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प्रश्न
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
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उत्तर
The number of valence electrons remains the same as we go down a group.
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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 is meant in the periodic table by a group?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
How do alkaline earth metals occur in nature?
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Name the gas used in:
Bright colour advertising light works
Give reason:
Alkali metals and halogens do not occur free in nature.
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.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
