Chapter 4 – Structure of the Atom

Who discovered the electron?

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

Why was the Thomson’s Model of an atom failed?

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

What property of an element determines its chemical behaviour?

Which of the following does not match the characteristics of an Isotope?

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

Which of the following elements does not exhibit the electrovalencey?

Which of the following statements is incorrect about the structure of an atom?

Which scientist gave the concept of fixed energy levels around the nucleus?

What prevents an atom from being collapsed?

Which of the following pairs are isobars?

Which of the following is an incorrect statement in reference with observation in Rutherford’s α-particle scattering experiment?

Which radioactive element is used in the treatment of cancer?

Why do most of the elements try to participate in the chemical combinations?

In 1906, J.J. Thomson was awarded the Nobel prize for his discovery of:

Who discovered the nucleus of an atom?

Who is known as the ‘Father of nuclear Physics’?

An atomic number of an element equals to what present in the nucleus of its atom?

Rutherford’s alpha-particle scattering experiment was responsible for the discovery of:

Isotopes of an element have:

Number of valence electrons in CP ion are:

Which one of the following is a correct electronic configuration of sodium?

Who used the term ‘ATOM’ for the first time?

Which of the following are called nucleon?

Which of the following particles was discovered first?

Which of the following atom does not have the neutron?

Who gave the name ‘Proton’ the positively charged particles of an atom?

The maximum number of electrons in any shell of an atom is:

Which of the following rays have the maximum penetration power?