Mcqs On Atom

Q:

The electronic configuration of an atom having atomic number 20 is

Q:

The maximum number of electrons that can be accommodated in a sublevel for which l = 3 is

Q:

The proton is heavier than an electron by

Q:

1 u or 1 amu means

Q:

What was the source of alpha particles in Rutherford scattering experiment?

Q:

What property of an element determines its chemical behaviour ?

Q:

Which isotope is used in the nuclear power plants to generate electricity?

Q:

An atom has a mass number of 37 and atomic number 17. How many protons does it have?

Q:

The neutral atoms of all of the isotopes of the same element have

Q:

Which of the two will be chemically more reactive, Sulphur(S) with atomic number 16 or Chlorine (Cl) with atomic number 17 ?