Chemistry EOG Review

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Across
  1. 3. Atoms take the shape of their container in this state of matter
  2. 5. the negatively charged part of an atom
  3. 7. Atoms are freely flowing in this state of matter
  4. 9. a pure substance made up of only one type of atom
  5. 10. the neutrally charged part of an atom
  6. 11. A chart that organizes elements based on their atomic number
  7. 13. An element’s average number of protons and neutrons
  8. 17. the number of protons in an element- every element has a unique one of these
  9. 18. These changes break chemical bonds and rearrange matter into something new
  10. 19. the small numbers in a chemical equation to the right of each element
  11. 22. 2 or more elements chemically bonded together
  12. 23. 2 or more substances physically combined
Down
  1. 1. These change the size, shape, or state of matter
  2. 2. what you start with in a chemical reaction
  3. 4. the larger numbers in a chemical equation in front of each element
  4. 6. Outer shell electrons that determine whether or not an element likes to bond
  5. 8. The amount of matter in a given amount of space
  6. 11. the positively charged part of an atom
  7. 12. When there are equal numbers of each element on both sides of an equation we say it is…
  8. 14. basic building blocks of matter
  9. 15. when matter is allowed to escape during a chemical reaction
  10. 16. Mendeleev The scientist who organized the periodic table based on atomic number
  11. 19. Atoms are tightly packed in this state of matter
  12. 20. what is created as a result of a chemical reaction
  13. 21. when matter is not able to escape during a chemical reaction