Chemistry

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Across
  1. 2. a group of atoms bonded together, representing the smallest fundamental unit of a chemical
  2. 4. are the basic particles of the chemical elements
  3. 7. a part or aspects of something abstracts, especially one that is essential or characteristic
  4. 8. subatomic particle of about the same mass as a proton but without electricity charge
  5. 10. the branch of science that deals with the identification of the substance of which matter is composed
Down
  1. 1. a stable subatomic particle with a charge of negative electricity
  2. 3. substance a single kind of matter that cannot be separated into other kind of matter by any physical
  3. 5. a dissolved substance
  4. 6. Molecule an element is a substance made up entirely of one type of atom
  5. 9. Change a change in matter which does not alter the chemical properties of the matter