Download App

Structure of the Atom — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
Rutherford’s alpha particle scattering experiment led to the discovery of:
  • A
    Nucleus.
  • B
    Electrons.
  • C
    Protons.
  • D
    Neutrons.
✓

Answer

  1. Nucleus.

Explanation:

Rutherford conducted an experiment using alpha particles which led to the discovery of a nucleus situated at the centre of an atom.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q-[Che-1M]" from Structure of the Atom→Structure of the Atom — all question types→Science STD 9 question papers→CBSE Board STD 9 question papers→CBSE Board question paper generator→

Similar questions

The elements which normally exist in the liquid state are:
  1. Bromine and iodine.
  2. Mercury and chlorine.
  3. Iodine and mercury.
  4. Bromine and mercury.
→
A molecule is _________?
→
Milk of Magnesia is:
  1. A colloid.
  2. A true solution.
  3. A homogeneous mixture.
  4. A suspension.
→
Which of the following represents the solubility of sugar in water at 20°C?
  1. 21g
  2. 204g
  3. 37g
  4. 164g
→
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be:
  1. A molecule.
  2. A binary compound.
  3. An anion.
  4. A cation.
→
A positively charged ion is called :
→
The best evidence for the existence and movement of particles in liquids was provided by:
  1. John Dalton.
  2. Ernest Rutherford.
  3. J.J. Thomson.
  4. Robert Brown.
→
The formula of a compound is X3Y. The valencies of elements X and Y will be respectively:
  1. 1 and 3
  2. 3 and 1
  3. 2 and 3
  4. 3 and 2
→
Which one of the following statements is not true?
→
The element which is not common between the compounds called baking soda and soda ash is:
  1. Sodium.
  2. Hydrogen.
  3. Oxygen.
  4. Carbon.
→