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Chemistry Questions - All Grades

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Grade 9 Periodic Table and Elements
Grade 9 Atomic Structure
Which subatomic particle has a positive charge?
  1. proton
  2. neutron
  3. electron
  4. nucleus
Grade 8 Periodic Table and Elements
Grade 9 Atomic Structure
Grade 6 Atomic Structure
Grade 6 Atomic Structure
Grade 8 Periodic Table and Elements
Grade 6 Periodic Table and Elements
Grade 11 Periodic Table and Elements
What is Group 16 of the Periodic Table called?
  1. The Halogen Family
  2. The Oxygen Family
  3. The Nitrogen Family
  4. The Radon Family
Grade 9 Periodic Table and Elements
Mendeleev arranged the elements in his Periodic Table in order of
  1. increasing atomic mass
  2. increasing number of electrons
  3. increasing atomic number
  4. increased number of neutrons
Grade 8 Properties of Matter
Ductility is the ability for a metal to be
  1. rolled into sheets
  2. pulled into wires
  3. pressed into angles
  4. melted into molds
Grade 8 Periodic Table and Elements
Grade 8 Periodic Table and Elements
Grade 6 Atomic Structure
An atom has two distinct regions: the                              and the                             .
  1. nucleus and proton cloud
  2. proton and neutron region
  3. electron cloud and electrons
  4. electron cloud and nucleus
  5. None of the above
Grade 9 Biochemical Pathways
Which statement describes cellular respiration?
  1. The process of breaking down chemical energy stored in bonds into energy that can be used by the cell
  2. The process of creating food for the cell
  3. The process of combining oxygen and water to produce another substance to be transported
  4. The process of making proteins
Grade 9 Macromolecules
Enzymes are critical for biological reactions to occur in an organism. How do enzymes help chemical reactions to take place?
  1. They speed up reactions by adding more substrates
  2. They slow reactions down by increasing the activation energy
  3. They speed up reactions by lowering the activation energy
  4. They slow down reactions by changing the overall temperature
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