Chemistry

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Across
  1. 4. ______are made up of one or more atoms
  2. 5. A chemical ____is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.
  3. 6. A ______bond consists of the mutual sharing of one or more pairs of electrons between two atoms.
  4. 8. ______change the material involved in the change is structurally the same before and after the change.
  5. 9. ____ ____any form of precipitation with acidic components, such as sulfuric or nitric acid that fall to the ground from the atmosphere in wet or dry forms.
Down
  1. 1. A ______change happens when one chemical substance is transformed into one or more different substances.
  2. 2. any atom or group of atoms that bears one or more positive or negative electrical charges.
  3. 3. The ________ _____, also known as the periodic table of the elements, is a tabular display of the chemical elements.
  4. 5. A ____ is a substance that can neutralize the acid by reacting with hydrogen ions.
  5. 7. An _____ is any substance that in water solution tastes sour
  6. 8. __is a measure of how acidic/basic water is.