Bohr Model of the Atom
Explore the structure of atoms using the Bohr model, including electron shells, protons, neutrons, and electrons.
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Bohr Model of the Atom Worksheet
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Read each question carefully and answer to the best of your ability. Refer to the Bohr model diagram when necessary.
1. In the Bohr model, electrons orbit the nucleus in specific energy levels called .
2. The center of an atom, containing protons and neutrons, is called the .
3. are negatively charged particles found in electron shells.
4. The atomic number of an element is determined by the number of in its nucleus.
5. Which of the following is NOT a component of the nucleus in a Bohr model atom?
Protons
Neutrons
Electrons
Both a and b
6. According to the Bohr model, electrons can move from a lower energy level to a higher energy level by:
Emitting light
Absorbing energy
Losing mass
Gaining protons
7. Draw a Bohr model diagram for a Lithium atom (Li). Lithium has an atomic number of 3 and an atomic mass of 7.
8. The Bohr model accurately depicts the exact path of electrons around the nucleus.
True
False
9. In a neutral atom, the number of protons is equal to the number of electrons.
True
False
Match each term with its correct description.
10. Proton
a. Negatively charged particle
11. Electron
b. Positively charged particle
12. Neutron
c. Particle with no charge
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