Chemistry Test

This Chemistry test contains 20 questions of multiple choices, it shouldn't take you more than 10 minutes to finish, make sure you're relaxed before starting.

Note that this Chemistry quiz is just for fun and the sake of learning. Don't take it seriously!

(The test begins below...)




Recommend Brain Training

More Great Brain Training

Brain Tests

  1. What does the chemical symbol "Fe" represent?

  2. Phosphate
    Iron
    Steel

  3. What is the chemical symbol for Gold?

  4. Gl
    Au
    Pl

  5. What is the approximate number of known elements?

  6. 99
    118
    212
    298

  7. What is the most abundant element found in the universe?

  8. Helium
    Hydrogen
    Iron
    Nickel

  9. Which subatomic particle consists of a positive charge?

  10. Neutron
    Proton
    Electron
    Atom

  11. What is the chemical symbol for Mercury?

  12. Mr
    Cy
    Hg
    Me

  13. Which of the following does not belong to this group?

  14. Iron
    Sodium
    Lead
    Oxygen

  15. Which of the following metals is often found in the pure state?

  16. Aluminum
    Gold
    Iron
    Magnesium

  17. In a neutral atom, the number of electrons and protons is equal.

  18. True
    False
    It depends

  19. Rust occurs when there is a combination of oxygen and ...

  20. Acids
    Sulfur
    Iron
    Copper

  21. Metals that can be easily beaten into sheets are known as _______ metals.

  22. Ductile
    Polymer
    Hammerable
    Malleable

  23. Metals that can be easily drawn into wires are known as _______ metals.

  24. Ductile
    Soluble
    Elongateble
    Malleable

  25. A pH below 7 indicates _______.

  26. Purity
    Neutrality
    Acidity
    Alkalinity

  27. The three basic components of an atom are:

  28. Protons, neutrons, and electrons
    Protons, neutrons, and ions
    Protons, nuclus, and ions
    Ions, nuclus, and electron

  29. An element is determined by the number of:

  30. Atoms
    Electrons
    Neutrons
    Protons

  31. What are allotropes

  32. Elements with same structure
    Elements with same atomic mass
    Identical forms of the same element
    Different forms of same element

  33. Give 2 semiconductors

  34. Cobalt and sodium
    Lead and chromium
    Silicon and germanium
    Tin and nickel

  35. Which one of the following elements are called noble gases?

  36. Pottasium
    Oxygen
    Boron
    Xenon

  37. What is the atomic mass of magnesium?

  38. 24
    39
    40
    42

  39. Which of the following compounds DOES NOT obey the octet rule?

  40. Nitrogen trichloride
    Sulfur hexafluoride
    Carbon tetrachloride
    Carbon disulfide