Other questions in this quiz

2. What's the difference between a compound and mixture?

  • A compound is chemically combined, a mixture isn't
  • A compound has elements that aren't combined, a mixture has elements that are combined
  • A mixture is made from atoms, a compound from elements
  • A mixture contains three or more elements, a compound contains two or more

3. Which of the following statements is correct?

  • The number of electrons and neutrons added together equal the mass number
  • Protons have a negative charge
  • There is an equal amount of protons and electrons in an atom
  • There is an equal amount of protons and neutrons in an atom

4. How many electrons are allowed on the inner shell?

  • 2
  • 8
  • 4
  • 6

5. What happens if an atom gains an electron?

  • It becomes negatively charged because the electron has a negative charge
  • It becomes positively charged because the electron has a positive charge
  • It remains the same because the electron is neutral
  • It becomes unstable because it's shell is full

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