Lesson 1-7 Chemistry Vocabulary Quiz

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Across
  1. 1. matter that cannot be broken down into simpler matter
  2. 4. small units of matter that can be broken down in subatomic particles
  3. 5. negatively charged subatomic particle
  4. 7. the location where electrons are expected to be;this area circles the nucleus
  5. 10. a device created by Mendeleev that arranges the elements in order of atomic number
  6. 11. element in the form of gas that is abundant on our plant;we need it to breath
  7. 12. scientific way of describing the arrangement of electrons around the nucleus;has 4 "numbers"
  8. 13. the study of matter and how types of matter react to each other
Down
  1. 2. an element with the latin name of wolfram and symbol of W
  2. 3. any substance in the form of a solid, liquid, or gas
  3. 6. a version on an element that has varying numbers of neutrons, but the same number of protons
  4. 8. a well-tested and widely accepted explanation of a natural phenomenon based on use of the scientific method
  5. 9. the word refers the outermost electrons of an atom
  6. 10. subatomic particle with a positive charge