The maximum number of electrons can be filled in the first shell of an atom are _____.

Related Mcqs:

1. Charge carriers in a metal are electrons rather than protons because electrons are?

   A. Smaller
   B. Negative
   C. Loosely bound
   D. All of the above

   Submitted by: Malik Asghar Hussain

2. The number of electrons of a neutral atom is automatically known if one knows the?

   A. Atomic number
   B. Atomic weight
   C. Number of orbitals
   D. none

3. The protons and neutrons are found in the center of the atom, which is called the _________of the atom?

   A. Nucleus
   B. Headquarters
   C. Hub
   D. None of These

4. When water is filled in a bottle and is allowed to freeze, the bottle breaks because

   A. Water expands on freezing
   B. Bottle contracts at freezing point
   C. temperature outside the bottle is less than that inside the bottle.
   D. None of the above

5. The gas usually filled in the electric bulb is___________?

   A. Nitrogen
   B. Hydrogen
   C. Carbon dioxide
   D. Oxygen

   Submitted by: Muhammad Ali Kunbhar

6. Balloons are filled with _________ ?

   A. Nitrogen
   B. Helium
   C. Oxygen
   D. Argon

   Submitted by: Ali Mallah

7. What are the three subatomic particles of an atom?

   A. Protons,Neutrons & Electrons
   B. Protons,Nucleus & Electrons
   C. Protons,Nucleus & Elements.
   D. Elements,Nucleus & Protons

8. “Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________?

   A. Aufbau principle
   B. Pauli exclusion principle
   C. Hund’s rule
   D. Periodic law

   Submitted by: Mansoor Ul Haque

9. Atom was a name given by ____________ ?

   A. Democritus
   B. Bohr
   C. Rutherford
   D. Archimedes

   Submitted by: Rashid Mehmood

10. First controlled fission of an atom was carried out in ________ on 1938.

    A. U.S
    B. Germany
    C. Russia
    D. U.K

    Submitted by: Shahbaz Jiskani