Chemistry Terminology

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Across
  1. 4. A positively charged atom
  2. 6. A liquid non-metal at room temperature
  3. 7. Element chosen as reference for measuring atomic mass
  4. 9. A noble gas
  5. 10. The substance that is dissolved in a solution.
Down
  1. 1. Atoms with same atomic number
  2. 2. Hidden energy during change of state.
  3. 3. A molecule with 2 atoms
  4. 5. The smallest unit of an element
  5. 8. A combination of two or more substances that are not chemically bonded and can be separated by physical means.