Disco Ato Lessons 1-2 Vocab

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Across
  1. 3. smallest significant particle of atom, negative charge, orbit the nucleus
  2. 5. a principal particle of an atom, no electric charge, found in nucleus of atom
  3. 6. central core of an atom, made up of protons and neutrons
  4. 10. family of particles (as electrons, muons, neutrinos) that experience no strong forces
  5. 13. an atom that has gained an electron, has more electrons than protons, has negative charge
  6. 14. matter that exists in extreme heat, like in stars
  7. 16. substance that has mass & takes up space
  8. 17. form of matter doesn't have definite shape has volume
Down
  1. 1. a variation of an atom based on the loss or gain of an electron, this changes charge of an atom
  2. 2. a principal particle of an atom, has positive charge, found in nucleus of atom
  3. 3. specific form of matter composed of only 1 type of atom
  4. 4. an atom that has lost an electron, has more protons than electrons, has positive charge
  5. 7. the science of materials that make up universe
  6. 8. form of matter that has definite shape & volume
  7. 9. 2 or more elements combined chemically, separated by chemical means
  8. 11. matter that has no definite shape, weight, or size
  9. 12. smallest form of matter, made of smaller particles-protons/neutrons/electrons
  10. 15. 2 or more elements combined physically not chemically, can be separated by physical means