Atomic Structure & Periodicity Quiz

What did Niels Bohr study the interaction of energy with?

• Protons

• Neutrons

• Molecules

• Atoms

What is the lowest energy state of an atom known as?

• Ground State

• Final State

• Excited State

• Intermediate State

What happens to a hydrogen atom when an electron transitions from n = 1 to n = ∞?

• It is ionised

• It emits UV radiation

• It emits visible light

• It emits infrared radiation

What form of electromagnetic radiation is produced when an excited electron moves from any higher energy level down into level 1?

• X-ray radiation

• Infrared radiation

• Visible light

• UV radiation

What happens to the atom when an electron moves past the limit of convergence of the energy levels?

• Neutralisation

• Grounding

• Deionisation

• Ionisation

What is required to remove electrons from an atom?

• Protons

• Energy

• Neutrons

• Electrons

What does the Bohr model propose about electrons in an atom?

• They move randomly

• They exist in specific energy levels

• They are stationary

• They are outside the nucleus

What does each line in the emission spectrum represent?

• An electron moving to a higher energy level

• An electron leaving the atom

• An electron moving from a specific higher energy level to a specific lower energy level

• An electron staying in the same energy level

What is produced when an excited electron moves from any higher energy level down into level 2?

• Infrared radiation

• Visible light

• X-ray radiation

• UV radiation

What is the ground state of an atom?

• The state with all electrons excited

• The state with no electrons

• The state with the lowest energy

• The state with the highest energy