chemistry unit

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Across
  1. 3. a close connection between two or more
  2. 5. a person who studies chemistry
  3. 6. a basic substance that is used or produced
  4. 7. you put liquid inside me
  5. 9. powerful;having or using great force or control
Down
  1. 1. i happen after two elements combine
  2. 2. you need me to know what to do
  3. 4. im used to make special variables
  4. 6. the basic study of the basic characteristics of substances
  5. 8. a mathematical statement in which you show that two amounts are equal using mathematical symbols