Chapter 2 Crossword (1)

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Across
  1. 2. a measure of how acidic or basic a substance is.
  2. 4. The simplest particle of an element that retains all properties of that element
  3. 5. has a neutral charge
  4. 7. having a pH greater than 7.
  5. 8. Any object that takes up space and has mass
  6. 11. a process in which electrons are added to an atom or ion
  7. 18. the ability to do work
  8. 19. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  9. 21. having a pH greater than 7.
  10. 22. Elements being chemically put together.
Down
  1. 1. has a positive charge
  2. 3. the ion H3O+, consisting of a protonated water molecule and present in all aqueous acids.
  3. 6. Gain of oxygen that involves the transfer of electrons between species.
  4. 9. a liquid in which a solute is dissolved to form a solution.
  5. 10. level the fixed amount of energy
  6. 12. A chemical reaction in which energy is released
  7. 13. the abundance of a constituent divided by the total volume of a mixture
  8. 14. A particle with negative charge that orbits the nucleus of an atom.
  9. 15. A pure substance that is made up of atoms of two or more elements.
  10. 16. A chemical bond formed between two ions with opposite charges.
  11. 17. a substance that undergoes a change during a process.
  12. 20. the minor component in a solution