Atomic Structure test 4

A test from chapter 5 i.e Atomic Structure of Chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. If a stone of 1gm is many with a velocity of 10m/s then its wavelength will be

A) 6.65 x 10^–30 m
B) 6.65 x 10^–25 m
C) 6.65 x 10^-28 m
D) 6.65 x 10^–12 m

2. The space around the nucleus where the probability of finding the electron is maximum is called

A) an orbital
B) an orbit
C) energy level
D) a shell

3. Which orbital has dumb–bell shape

A) s-robital
B) p-robital
C) d-robital
D) f-robital

4. Which of the following quantum numbers describes energy of an electron in an atom

A)
B)
C)
D)

5. Which of the following quantum numbers describes shape of an electron in an atom

A) principal quantum
B) azimuthal quantum
C) magnetic quantum
D) spin quantum

6. The degenerate orbital in p–subshell is

A) 2
B) 3
C) 5
D) 7

7. When 4p orbital is complete the entering electron goes into

A) 4d
B) 4f
C) 5s
D) 5p

8. x + l value for 3d will be

A) 3
B) 4
C) 5
D) 6

9. Maximum number of electrons in 3f orbitals is

A) 2
B) 0
C) 6
D) 14

10. Maximum number of electrons in M–shell is

A) 2
B) 8
C) 18
D) 32