Advertisements
Advertisements
प्रश्न
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
Advertisements
उत्तर
Discovery of Atomic Nucleus: Lord Rutherford in 1911 directed alpha particles (42He) towards gold foil. The deflection of the alpha particles was observed and concluded that there was a nucleus at the centre of atom which was positively charged dense very small space (solid) called the nucleus.
APPEARS IN
संबंधित प्रश्न
Draw the diagrams representing the atomic structures of the following: Nitrogen.
FILL IN THE BLANK
The protons and neutrons are held firmly in the nucleus by strong .........................
FILL IN THE BLANK
Amount of energy stored inside the ..................... is known as nuclear energy.
FILL IN THE BLANK
Nuclear energy can be used to make ..........................
State Dalton's atomic theory.
On the basis of Rutherford's model of an atom, which subatomic particle is present in the nucleus of an atom?
What are nucleons? How many nucleons are present in phosphorus? Draw its structure.
Name the following:
The element which does not contain any neutron in its nucleus.
Explain in brief – Lod Rutherford’s experiment which led to the discovery of the atomic nucleus.
Differentiate between the following term:
Nucleus and nucleons
