Mr.Daniel's Science Test

  1. A characteristic that you can observe without changing the composition of the substance.
    • Physical property
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  2. A chemical reaction that releases energy in the form of heat.
    • Exothermic reaction
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  3. A chemical reaction which absorbs energy
    • Endothermic reaction
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  4. Characteristic that cannot be observed without altering the substance.
    • Chemical property
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  5. A change in which substances are changed into different substances.
    • Chemical change
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  6. A change in which the form or appearance of matter changes but not its composition.
    • Physical change
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  7. Signs that a chemical change has occurred:
    • color change
    • temperature change
    • odor change
    • gas change
    • bubbling
    • fizzing
    • change in state
  8. The smallest particle of an element
    • Atom
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  9. The simplest type of pure substance. EX: hydrogen, oxygen, carbon
    • Element
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  10. The positively charged particle of an atom.
    • Proton
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  11. The negatively charged particle of an atom
    • Electron
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  12. The neutral particle found in an atom
  13. A system used for organizing elements into categories based on how they react.
    The Periodic Table
  14. 2 or more elements chemically combined. EX: water, carbon dioxide
  15. Number placed to the lower right of a chemical symbol to indicate the number of atoms of the element in the compound.
    • Subscript
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  16. The number of protons in the nucleus of an atom.
    Atomic number
  17. Shorthand method of representing elements.
  18. The sum of the protons and neutrons in the nucleus of an atom.
    Atomic mass
  19. Sour taste
  20. Rust
  21. Flammable
  22. Magnetic
  23. Tearing paper
    Physical change
  24. wax melting
  25. burning a candle
Card Set
Mr.Daniel's Science Test
SLMS ALL STAR TEAM'S Mr. Daniels' Science test study guide.