Chemistry - 9 Chapter - 3
Atomic Structure
Test - 17

1. First sub shell is called.




2. Sub shells of elements are called ___ respectively.



3. Sub shells are also called orbital?


4. The total number of protons, electrons and neutrons in an atom is 60 and number of these partials also same. The atom is of ________.




5. First shell (orbit) of atoms, have only one sub shell called _____ sub shell.




6. 2nd shells (orbit) of atom have 2 sub shells.


7. Two sub shells in 2nd shells (orbit) are ____.




8. Three sub shells in 3rd shell (orbit) are:




9. Fourth shell (orbit) has _____ sub shells __________ and ______;



10. The max no of electrons which can be accommodated in sub shells s, p, d & f are _______ & ____ respectively.



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