Document_21.pdf
1.3 MB
Electronic configuration rules
Class11/Chapter2/Atomic Structure/ Electron Configuration
Periodic Table Chemistry 👩🎓.pdf
2 MB
Handouts/ hand written notes of Chapter3/class11/ part-1 periodic table and its historical development
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Class11/Chemistry/Chapter3/ Classification of Elements and Periodicity in properties
Class11/Chemistry/Chapter3/ Classification of Elements and Periodicity in Properties
Chapter-3/ To find postion of an element in the Periodic table
Forwarded from Chemistry for Class 11 (Anu Rehan)
Chapter-3/ To find postion of an element in the Periodic table
Which of the following sequence contain atomic numbers of only representative elements?
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24%
3, 33, 53,87
38%
2, 10, 22, 36
22%
9, 35, 52, 88
16%
7, 17, 25, 37, 48
Without looking at the periodic table, select the elements of 111A group of periodic table(atomic numbers are given)
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3, 11, 19, 37
33%
5, 13, 21,39
21%
7,15,31,49
9%
5, 13, 31, 49