Chemistry Vocab

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Across
  1. 3. When a new substance is made and the change cannot easily be undone.
  2. 4. A tiny particle with a positive charge that is found in the nucleus (center) of an atom.
  3. 5. The smallest piece of an element that still acts like that element.
  4. 8. A tiny particle with no charge (neutral) that is found in the nucleus of an atom.
  5. 9. The starting materials in a chemical reaction.
  6. 10. When something changes its form or state, but it’s still the same substance.
Down
  1. 1. Matter cannot be made or destroyed; it just changes form.
  2. 2. A way to show a chemical reaction using symbols and numbers instead of words.
  3. 6. Two or more atoms joined together.
  4. 7. The new substance made during a chemical reaction.
  5. 9. To move or change the order of something. In a chemical reaction, atoms get rearranged to make new substances.
  6. 11. A tiny particle with a negative charge that moves around the nucleus in the electron cloud.