Intro to Chemistry Ch1 - Matter

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Across
  1. 4. - a single kind of matter that is pure, having a specific makeup or composition and set of properties
  2. 9. - a change where energy is released, indicated by a heating of the area around it
  3. 12. - a measure of the average energy of motion of the particles of matter
  4. 15. - a change that produces one or more new substances
  5. 17. - the basic particle from which all elements are made
  6. 18. - a measure of how much mass is in a given volume
  7. 19. - a group of 2 or more atoms held together by chemical bonds
Down
  1. 1. - when the substances are so evenly mixed that you cannot see the different parts
  2. 2. - a change where energy is taken in (absorbed), indicated by a cooling of the area around it
  3. 3. - a change that alters the form or appearance of matter but does not make any substance in the matter into a different substance
  4. 5. - a measure of the force of gravity on an object
  5. 6. - the total energy of all the particles in an object
  6. 7. - a substance made of 2 or more elements chemically combined in a set ratio
  7. 8. – the ability to do work
  8. 10. - made of two or more substances
  9. 11. - shows the element in the compound and the ratio of the atoms
  10. 13. - a substance that cannot be broken down into any other substances by chemical or physical means
  11. 14. - anything that has mass and takes up space.
  12. 16. - the study of matter and how matter changes