Space around nucleus where finding probability of electrons is maximum is called ____________________?

Related Mcqs:

1. The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?

   A. Ionization energy
   B. Electron affinity
   C. Electro negativity
   D. None of the above

2. The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?

   A. 7
   B. 10
   C. 12
   D. 16

3. What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?

   A. 6
   B. 4
   C. 3
   D. 2

4. A specie with maximum number of unpaired electrons ?

   A. F
   B. H2O
   C. HF
   D. NH-2

5. Which one has maximum number of unpaired electrons ?

   A. 6X
   B. 7Y
   C. 9Z
   D. 13W

6. 2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ?

   A. 2-times
   B. 3-times
   C. 4-times
   D. 6 times

7. Rutherford bombarded _________________ particles in discovery of nucleus?

   A. Gamma-rays
   B. Alpha-rays
   C. Beta-rays
   D. X-rays

8. When electrons collide with heavy metals than ___________ are produced?

   A. Beta-rays
   B. Alpha-rays
   C. X-rays
   D. Gamma-rays

9. A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?

   A. Beta particle
   B. Gamma particle
   C. Alpha particle
   D. Negative particle

   Submitted by: Rashid Mehmood

10. Atoms of all the elements always contain in nucleus:

    A. Proton and neutron
    B. Neutron and electron
    C. Proton
    D. Neutron

    Submitted by: Shumail Bashir