Chemistry Set-4 ( Structure of Atom )

No. of questions - 40

Time - 30 min

1. 
2. 
3. 
The de Broglie wavelength associated with a material particle is:
4. 
Threshold wavelength depends upon :
5. 
6. 
7. 
The ground state term symbol for an electronic state is governed by
8. 
9. 
The number of electrons in a neutral atom of an element is equal to its:
10. 
11. 
12. 
The wave nature of electron is verified by
13. 
14. 
X-rays cannot penetrate through a sheet of:
15. 
16. 
In the ground state of the H-atom, the electron is
17. 
The atomic number of an element is 17. The number of orbitals containing electron pairs in the valency shell is:
18. 
19. 
Naturally occurring elements are mixtures of:
20. 
21. 
The energy of electromagnetic radiation depends on:
22. 
23. 
24. 
When the azimuthal quantum number has the value of 2, the number of orbitals possible are
25. 
Compared to the lightest atom the heaviest atom weighs:
26. 
The total number of protons present in all the elements upto ′Zn′ in the periodic table is:
27. 
The atomic number of an element is 35 and its mass is 81. The number of electrons in its outermost shell is
28. 
Which consists of particle of matter?
29. 
How many electrons can fit into the orbitals that comprise the 3rd quantum shell?
30. 
31. 
The orbital with maximum number of possible orientations is:
32. 
The possibility of finding an electron in an orbital was conceived by:
33. 
According to Dalton’s atomic theory, the smallest particle which is capable of independent existence is:
34. 
35. 
The H-spectrum show
36. 
The quantum number that is in no way related to other quantum number is:
37. 
The difference between ions and atoms is of:
38. 
Two electron in an atm of an element cannot have:
39. 
40. 
According to Bohr’s model of hydrogen atom
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