science

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Across
  1. 3. turn on more atoms joined (bonded) together
  2. 5. Can be snapped
  3. 7. of electricity Electricity can be passed through.
  4. 11. Something that is luster, semi-conductive, non-ductile, non-malleable and non-durable
  5. 13. very small particles that make up all things
  6. 16. Shiny
  7. 17. Bendy
  8. 18. tiny but heavily positively charged particles found in the nucleus of an atom
  9. 19. substance is made up of only two or more different types of atoms that have been joined (bonded) together
Down
  1. 1. combination of substances in which each keeps on it’s properties
  2. 2. Something that is brittle, gaseous, non-malleable, non-ductile, non-conductive
  3. 4. pure substances made up of only one type of atom
  4. 6. tiny but heavily particle found in the nucleus of an atom.
  5. 8. the central part of an atom made up of protons and neutrons
  6. 9. number number of protons in the nucleus open atom. Determines which element an atom is
  7. 10. test flame test presence of hydrogen gas
  8. 11. number number of protons and neutrons
  9. 12. Can be made into wire
  10. 14. Something that is luster, malleable, conductive, solid and ductile
  11. 15. very lot negatively charged particles inside an atom move around the central nucleus of an atom this is of an atom