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Sixth Grade (Grade 6) Molecules and Compounds Questions

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Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
What does [math]C_2O_5[/math] mean?
  1. 2 carbon atoms and 5 oxygen atoms
  2. 3 carbon atoms and no oxygen atoms
  3. 4 carbon atoms and no oxygen atoms
  4. 5 carbon atoms and 2 oxygen atoms
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Compounds are pure substances made of
  1. two or more kinds of atoms.
  2. two of the same type of atom.
  3. more than 5 types of atoms.
  4. mixtures.
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Compounds are formed as a result of                       .
  1. a physical combination
  2. being pure
  3. a filtration mixture
  4. a chemical combination
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
The difference between an atom and a molecule is that
  1. most atoms are bonded together to make a molecule.
  2. an atom can be seen by scientists, but a molecule cannot.
  3. atoms and molecules are the same and have no differences.
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Mark the 3 things that molecules can do when they meet each other.
  1. Switch atoms and make new molecules.
  2. Some atoms may disappear.
  3. The molecules may join together.
  4. The molecules may break apart or separate from each other.
  5. New atoms may appear out of no where.
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