Introduction to Atoms
Explore the basic structure of atoms, including protons, neutrons, and electrons, and learn about different atomic models.
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Introduction to Atoms
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Read each question carefully and answer to the best of your ability.
1. What are the three main parts of an atom?
Protons, electrons, and molecules
Protons, neutrons, and electrons
Neutrons, photons, and ions
Electrons, quarks, and atoms
2. Which part of an atom has a positive charge?
Electron
Neutron
Proton
Nucleus
3. The center of an atom is called the .
4. Electrons orbit the nucleus in specific paths called .
5. Atoms are the basic building blocks of all .
6. Briefly describe the main idea of the Bohr model of the atom.
7. Label the parts of the atom shown in the diagram below:
A:
B:
C:
8. Neutrons have a negative charge.
True
False
9. The atomic number of an element is determined by the number of protons.
True
False