Atom Structure Worksheet
Explore the basic structure of atoms, including protons, neutrons, and electrons, and their roles in determining an element's properties.
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Atom Structure Worksheet
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Read each question carefully and answer to the best of your ability. Refer to your notes or textbook if needed.
1. What are the three main subatomic particles found in an atom?
Protons, electrons, and molecules
Protons, neutrons, and electrons
Nucleus, shells, and orbits
Atoms, elements, and compounds
2. Which subatomic particle has a positive charge?
Electron
Neutron
Proton
Photon
3. The center of an atom is called the .
4. Electrons are found in shells or energy levels the nucleus.
5. The atomic number of an element is determined by the number of .
6. Describe the charge and location of a neutron within an atom.
7. All atoms of the same element have the same number of protons.
True
False
8. Electrons are much heavier than protons.
True
False
9. Examine the diagram of the atom below and answer the questions.
a) Which particles are represented by the red spheres in the center?
b) Which particles are orbiting the center?