Science

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Across
  1. 2. The opposite of Acid.
  2. 5. Represents the reactants and products in a chemical reaction using their symbols or formulas.
  3. 7. A neutral compound that consists of positive and negative ions held together by a ionic bond.
  4. 9. You start balancing the _________ when you are balancing reactions.
  5. 10. A statement that summarizes an observed pattern in nature.
  6. 12. Something that is lost or gained in every chemical reaction.
  7. 14. Are substances that form in a chemical reaction.
  8. 15. The prefix for 3.
  9. 16. The prefix for 7.
  10. 18. A.K.A The left side.
  11. 19. A neutral compound composed of two or more non-metallic elements held together by covalent bonds.
  12. 21. A.K.A The right side.
  13. 24. A group of atoms with a charge.
Down
  1. 1. Identifies the reactants and products in a chemical reaction using only the names of the elements and compounds.
  2. 3. All atoms we start with must be accounted for. However they may change their ________________.
  3. 4. Involves planning a series of data-gathering operations that will provide a basis for testing a hypothesis or answering a question.
  4. 6. Neutral on the pH chart.
  5. 8. The prefix for 10.
  6. 9. A bond formed by two or more atoms sharing one or more pairs of electrons.
  7. 11. The bond formed by the transfer of electrons from one atom to another.
  8. 13. This happens when a base is added to an acid.
  9. 17. How many bonds does Carbon form?
  10. 20. A negatively charged ion, the result of gaining one or more electrons.
  11. 22. A positively charged ion, the result of losing one or more electrons.
  12. 23. An atom that has become charged by gaining or losing one or more electrons.