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Introduction to Chemistry

SheelonChemistryScienceEnglishGrades 8-10Published Feb 10, 2026

Elements, compounds, reactions, and the periodic table.

12

questions

~6 min

to play

3

question types

Free

to host

Questions in this quiz

All 12 shown. Answers not revealed.

  1. What is the chemical formula for water?

    Type Answer · 20s

    Type your answer...
  2. How many elements are in the periodic table (approximately)?

    Multiple Choice · 20s

    A92
    B100
    C118
    D150
  3. What is the atomic number of carbon?

    Type Answer · 30s

    Type your answer...
  4. An atom with more electrons than protons has what charge?Multiple Choice · 20s
  5. Table salt is composed of sodium and what other element?Type Answer · 30s
  6. The pH of pure water is 7True / False · 15s
  7. What is the chemical symbol for gold?Type Answer · 20s
  8. Which subatomic particle has no charge?Multiple Choice · 20s
  9. Acids have a pH value less than 7True / False · 15s
  10. What type of bond involves the sharing of electrons?Multiple Choice · 20s
  11. What is the most abundant gas in Earth's atmosphere?Multiple Choice · 20s
  12. The chemical formula NaCl represents what compound?Type Answer · 30s

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