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JEE 2021 | Periodic Table
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Question 1
Which period is the shortest period?
Question 2
The maximum number of electrons that N-shell can accommodate is:
Question 3
How many groups are there in p-block?
Question 4
How many periods are there which are known as short periods?
Question 5
Which of the following statement is incorrect about Cr?
Question 6
An element has successive ionization enthalpies as 940 (first), 2080, 3090, 4140, 7030, 7870, 16000 and 19500 kJ mol–1. To which group of the periodic table does this element belong?
Question 7
The second ionization potential of element is invariable higher than first ionization potential because :
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Mar 22JEE & BITSAT
