Electron Dot Diagram Worksheet
A Grade 7 science worksheet covering electron dot diagrams, valence electrons, and bonding.
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Electron Dot Diagram Review
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Read each question carefully and answer to the best of your ability. For electron dot diagrams, make sure your dots are clear and correctly placed.
1. An electron dot diagram shows the number of electrons an atom has.
2. Valence electrons are found in the shell of an atom.
3. The maximum number of valence electrons an atom can have is .
4. Which of the following elements has 4 valence electrons?
Oxygen
Carbon
Sodium
Neon
5. What does the number of dots in an electron dot diagram represent?
Total electrons
Protons
Valence electrons
Neutrons
6. Draw the electron dot diagram for Nitrogen (N). (Hint: Nitrogen has 5 valence electrons)
7. How can electron dot diagrams help us understand how atoms bond?
8. All elements in the same group (column) of the periodic table have the same number of valence electrons.
True
False