Electron Dot Diagrams Worksheet
A Grade 10 Science worksheet covering electron dot diagrams, valence electrons, and their importance in chemical bonding.
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Electron Dot Diagrams
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Read each question carefully and provide your answers in the space provided. For multiple-choice questions, circle the best answer. For drawing electron dot diagrams, use dots to represent valence electrons.
1. What do the dots in an electron dot diagram represent?
Protons
Neutrons
Valence electrons
Core electrons
2. Which element has 7 valence electrons?
Oxygen
Nitrogen
Chlorine
Carbon
3. Electron dot diagrams are also known as structures.
4. The main group number on the periodic table indicates the number of electrons an atom has.
5. Explain the significance of valence electrons in chemical bonding.
6. Draw the electron dot diagram for each of the following elements:
a) Sodium (Na)
b) Carbon (C)
c) Oxygen (O)
d) Neon (Ne)
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