science vocab terms (10) alani rekowski (period:7)

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Across
  1. 2. bond-a covalent bond in which electrons are shared unequally
  2. 4. a pure substance made of two or more elements chemically combined
  3. 6. the basic particle from which all elements are made.
  4. 7. two or more substances that are mixed together but not chemically combined.
  5. 8. formula-a combination of symbols that represents the elements in a compound and their proportions.
  6. 9. bond- the force that holds atoms together.
  7. 10. bond- a covalent bond in which electrons are shared equally.
Down
  1. 1. a neutral particle made of two or more atoms joined by covalent bonds
  2. 3. atoms of the same type are grouped together.
  3. 5. that has mass and takes up space.