Question

1. choose all that apply.

choose three postulates of the bohr model of the atom.
electrons in each orbit contain a specific amount of energy.
electrons can only gain or lose energy by jumping to a higher or lower orbit.
electrons can only travel in discrete orbits at specific distances from the nucleus.
electrons can only lose energy by jumping to a higher or lower orbit.
electrons can travel in any path at any distance from the nucleus.

1. choose the best answer.

the work of schrödinger and heisenberg helped form the _.
bohr model of the atom
plum pudding model of the atom
planetary model of the atom
cloud model of the atom

Explanation:

• For question 8:
• The Bohr model states that electrons are in discrete orbits with specific energies.
• Electrons gain or lose energy by jumping between orbits.
• Electrons travel in discrete orbits at specific distances from the nucleus.
• For question 9:
• Schrödinger and Heisenberg's work led to the cloud (quantum mechanical) model of the atom. The Bohr model is a simpler, earlier model. The plum - pudding model is an older, incorrect model. The planetary model is similar to the Bohr model in some ways but not the one based on their work.

Answer:

• Question 8:
• Electrons in each orbit contain a specific amount of energy.
• Electrons can only gain or lose energy by jumping to a higher or lower orbit.
• Electrons can only travel in discrete orbits at specific distances from the nucleus.
• Question 9: cloud model of the atom.