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प्रश्न
______ is the longest period in the periodical table.
उत्तर
The sixth period is the longest period in the periodical table.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 18 elements are called ...............
What is meant by a group, in a periodic table?
Name two elements in each case:
Actinides
Give the symbol and valency of the following element and radical.
Nitrogen [Nitride]
Give the symbol and valency of the following element and radical.
Sulphate
Distinguish between:
s-block - p-block
Noble gases belong to______ group of the periodic table.
Identify gas A in the following experiment.
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
It has variable valency and is a member of the Oxygen family (group 16).
