Question

how many energy levels are shown in a bohr diagram for an atom of oxygen? * 1 point
2
1
3
8
6
what did the bohr model assume about the motion of electrons? * 1 point
all electrons move in a circular orbit around the nucleus.
all electrons move in a single cloud layer around the nucleus.
electrons do not have a specific path around the nucleus.
electrons always remain in the same location around a nucleus.

Explanation:

Oxygen has an atomic number of 8. In a Bohr - diagram, electrons are arranged in energy levels. The first energy level can hold 2 electrons and the second can hold 8. For oxygen, electrons fill the first level (2 electrons) and then start filling the second level (6 remaining electrons), so there are 2 energy levels shown. The Bohr model assumes that electrons move in circular orbits around the nucleus.

Answer:

1. First question: 2
2. Second question: All electrons move in a circular orbit around the nucleus.