A. Milk
B. Honey
C. Oil
D. Water
Milikan used ______________ in his atomizer? Read More »
Atomic Structure, Chemistry Mcqs A. [Ar]4s2
B. [Ar]4s1
C. [Kr]5s1
D. [He]2s1
Electronic configuration of K is_________________? Read More »
Atomic Structure, Chemistry Mcqs A. Orbital
B. Orbit is elliptical
C. subshell
D. Electron cloud
A. Shorter wavelength
B. Larger wavelength
C. X-ray not produced
D. All are possible
Atom with higher atomic number produces X-rays of__________________? Read More »
Atomic Structure, Chemistry Mcqs A. Beta-rays
B. Alpha-rays
C. X-rays
D. Gamma-rays
When electrons collide with heavy metals than ___________ are produced? Read More »
Atomic Structure, Chemistry Mcqs A. Degenerate orbitals
B. Bonding molecular orbitals
C. Anti bonding molecular orbitals
D. Half filled orbitals
Atomic orbits having same energy are called________________? Read More »
Atomic Structure, Chemistry Mcqs A. [Ar]4s1
B. [Ar]4s2
C. [Ar]3d104s1
D. [Ar]3d94s2
The correct electronic configuration of Cu is ___________________? Read More »
Atomic Structure, Chemistry Mcqs A. 2-times
B. 3-times
C. 4-times
D. 6 times
2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ? Read More »
Atomic Structure, Chemistry Mcqs A. In continuous manner
B. Discontinuous manner
C. Simultaneously
D. In the form of heat
Planks theory says energy is emitted__________________? Read More »
Atomic Structure, Chemistry Mcqs A. 6.02 x 1023 C/kg
B. 1.7588 x 1020 C/kg
C. 9.1095 x 10-31 C/kg
D. 1.7588 x 1011 C/kg
The value of e/m ratio of electron is________________? Read More »
Atomic Structure, Chemistry Mcqs