Electron Basics Worksheet
A Grade 7 science worksheet covering the basics of electrons, their properties, and their role in atoms.
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Electron Basics Worksheet
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work where applicable.
1. Which subatomic particle carries a negative charge?
Proton
Neutron
Electron
Nucleus
2. An atom with an equal number of protons and electrons is considered:
Anion
Cation
Neutral
Isotope
3. Electrons are found in shells or energy levels surrounding the of an atom.
4. The outermost electrons of an atom are called electrons.
5. When an atom gains or loses electrons, it becomes an .
6. Electrons have significantly more mass than protons.
True
False
7. All atoms of the same element have the same number of electrons.
True
False
8. Draw a simple Bohr model diagram of a Carbon atom (atomic number 6). Label the nucleus, protons, neutrons, and electrons.
Match each term on the left with its definition on the right.
9. Electron
a. Positively charged subatomic particle
10. Proton
b. Negatively charged subatomic particle
11. Neutron
c. Subatomic particle with no charge
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