Rutherford and Bohr: Unraveling Atomic Structure and Electron Orbits

The video discusses Rutherford's atomic model, highlighting its inability to explain atomic stability due to energy radiation by electrons. Neils Bohr's modifications introduced discrete orbits where electrons do not radiate energy, ensuring atomic stability. The atomic structure is compared to the solar system, with electrons revolving in fixed paths around the nucleus. The discovery of neutrons by James Chadwick completes the atomic model, with protons and neutrons in the nucleus and electrons in orbitals. The video concludes with a teaser for further exploration of electron distribution in orbitals.

What was a major flaw in Rutherford's atomic model?

• It did not account for the existence of neutrons.

• It suggested electrons would lose energy and collapse into the nucleus.

• It proposed that atoms are unstable in nature.

• It failed to explain the presence of protons.

What did Neils Bohr propose about electron orbits?

• Electrons can move freely between orbits.

• Electrons are stationary around the nucleus.

• Electrons revolve in discrete orbits without radiating energy.

• Electrons emit energy as they revolve.

How is the atomic structure similar to the solar system?

• Electrons jump between paths like planets.

• The nucleus moves like planets.

• Electrons are stationary like the sun.

• Electrons revolve in fixed paths like planets around the sun.

What are the electron paths around the nucleus called?

• Shells or energy levels

• Levels

• Circles

• Rings

How are electron shells named?

• By using colors

• By using both letters and numbers

• By using letters only

• By using numbers only

What is the first shell closest to the nucleus called?

• A shell

• L shell

• M shell

• K shell

Who discovered the neutron?

• Neils Bohr

• Ernest Rutherford

• James Chadwick

• Albert Einstein

What is the charge of a neutron?

• Variable

• Positive

• Neutral

• Negative

What completes the atomic model along with protons and electrons?

• Quarks

• Neutrons

• Photons

• Ions

What will the next video explore about electrons?

• Their mass

• Their charge

• Their color

• Their distribution in orbitals