Science 10 :)

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