Matter

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Across
  1. 3. a notation of one or two letters representing a chemical element
  2. 4. a column of elements in the periodic table of the chemical elements
  3. 8. a metallic substance composed of two or kore elements, as either a compound or a solution.
  4. 12. the number of protons found in the nucleus of every atom of that element
  5. 13. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron
  6. 14. a subatomic particle which has a neutral charge, and a mass slightly greater than that of a proton
  7. 16. the total number of protons and neutrons in an atomic nucleus
  8. 18. an element or substance that is not a metal
  9. 20. the process by which molecules of a solvent tend to pass through a semi permeable membrane from a less concentrated solution into a more concentrated one
  10. 22. any chemical element that is an effective conductor of electricity and heat can be defined as a?
  11. 23. What do you call anything that has mass and volume?
  12. 25. particles that are smaller than atoms
  13. 27. a pure substance consisting only of atoms that all have the same numbers of protobs in their atomic nuclei
  14. 28. a chemical element which has a preponderance of properties in between, or that are a mixture of those of metals and nonmetals
  15. 29. the number of protons found in the nucleus of every atom of that element
Down
  1. 1. the body of theory which explains the physical properties of matter in terms of motions of its constituent particles
  2. 2. any of the six chemical elements that make up Group 1(la) of the periodic table
  3. 5. a row of chemical elements in the periodic table
  4. 6. the net movement of anything from a region of higher concentration to a region of lower concentration
  5. 7. a table of the chemical elements arranged in order of atomic number, usually in rows, so tgat elements with similar atomic structure appear in vertical columns
  6. 9. a group in the periodic table that consists of five chemically related elements: fluorine, chlorine, bromine, iodine (l) and astatine
  7. 10. a minute portion of matter
  8. 11. the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object
  9. 15. the positively charged central if an atom, consisting of protons and neutrons abd containing nearly all its mass
  10. 17. the abundance of a constituent divided by the total volume of a mixture
  11. 19. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  12. 21. any of the six chemical elements that comprise group 2 (lla)of the periodic table
  13. 24. the smallest unit which matter can be divided without the release of electricity charged particles
  14. 26. materials formed by chemically bonding two or more chemical elements
  15. 30. a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided