Matter

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Across
  1. 3. a mark or character used as a conventional representation of an object, function, or process.
  2. 4. a column in the periodic table of the chemical elements
  3. 8. admixture of metals, or a metal combined with one or more other elements
  4. 12. the number of protons in the nucleus of an atom
  5. 13. A proton is a subatomic particle, with a positive electric charge of
  6. 14. a sub-atomic particle with no net electrostatic charge
  7. 16. the sum of the numbers of protons and neutrons present in the nucleus of an atom.
  8. 18. e natural materials that do not produce heat or electricity and that are structurally brittle
  9. 20. the movement of water from a less concentrated solution to a more concentrated solution through a partially permeable membrane
  10. 22. a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance and conducts electricity and heat relatively well.
  11. 23. anything that occupies space and has mass
  12. 25. particles that are smaller than atoms
  13. 27. any substance that cannot be decomposed into simpler substances by ordinary chemical processes
  14. 28. an element that has properties that are intermediate between those of metals and nonmetals
  15. 29. the number of protons in the nucleus of an atom
Down
  1. 1. law that states: Matter is made up of particles that are constantly moving
  2. 2. any of the six chemical elements that make up Group 1 (Ia) of the periodic table
  3. 5. Arrangement of the elements
  4. 6. the movement of a substance from an area of high concentration to an area of low concentration
  5. 7. a tabular array of the chemical elements organized by atomic number
  6. 9. are a group in the periodic table consisting of five chemically related elements
  7. 10. any of numerous subatomic constituents of the physical world that interact with each other
  8. 11. the ability to do work
  9. 15. a membrane-bound organelle that contains genetic material (DNA) of eukaryotic organisms.
  10. 17. the amount of a component in a given area or volume
  11. 19. a negatively charged subatomic particle.
  12. 21. metals that are named after their oxides
  13. 24. the smallest unit of ordinary matter that forms a chemical element.
  14. 26. a substance that contains atoms of two or more different elements, and these atoms are chemically joined together.
  15. 30. a particle made up of two or more atoms that are chemically bonded together