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प्रश्न
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.
उत्तर
Argon
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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 are the following group known as?
Group 17
Name two elements of each group.
Name the gas used in:
Filling balloons
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 –
alkali metals
‘The periodic table contains elements methodically grouped together’.
State the main helpful features of the long form of the periodic table.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group whose elements are unreactive or inert.
