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Molecules and Compounds Questions - All Grades

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Grade 7 Molecules and Compounds
A combination of two or more atoms.
  1. volume
  2. molecule
  3. chemical bond
Grade 6 Molecules and Compounds
When two or more elements join together, they create
  1. atoms
  2. electrons
  3. protons
  4. molecules
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Which of the following statements is true?
  1. Atoms are made of molecules.
  2. Atoms contain more than one element.
  3. Some atoms do not have protons.
  4. Atoms can join to form molecules.
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 7 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
What is true about atoms and molecules?
  1. Molecules may combine to form atoms.
  2. Atoms and molecules repel each other.
  3. Atoms may combine to form molecules.
  4. Molecules and atoms attract each other.
Grade 6 Molecules and Compounds
Compounds are formed as a result of a
  1. physical combination
  2. being pure
  3. filtration mixture
  4. chemical combination
Grade 6 Molecules and Compounds
The difference between an atom and a molecule is
  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 9 Molecules and Compounds
Grade 6 Molecules and Compounds
Grade 6 Molecules and Compounds
What does [math]CO_2[/math] mean?
  1. Iron
  2. Carbon Dioxide
  3. Tin
  4. Copper
Grade 6 Molecules and Compounds
Grade 10 Molecules and Compounds
What is the correct name for the compound [math]MgO[/math]?
  1. magnesium trioxide
  2. dimagnesium trioxide
  3. magnesium oxide
  4. magnesium oxygen
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