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Tenth Grade (Grade 10) Chemistry Questions

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Grade 10 Macromolecules
Grade 10 Bonds and Mixing
What type of ion forms when an atom loses electrons?
  1. A positive anion
  2. A negative anion
  3. A positive cation
  4. A negative cation
Grade 10 Properties of Matter
Grade 10 Reactions
Grade 10 Matter
What is the formula to calculate density?
  1. Mass=Density/Volume
  2. Density=Mass/Volume
  3. Volume=Mass/Density
  4. Density=Volume/Mass
Grade 10 Properties of Matter
Rusting is a                 change.
  1. physical
  2. static
  3. chemical
  4. thermal
Grade 10 Bonds and Mixing
What type of bond holds one H2O (water) molecule together, giving it opposing charges?
  1. Ionic Bond
  2. Polar Covalent
  3. Nonpolar Covalent Bond
  4. Hydrogen Bond
Grade 10 Macromolecules
Grade 10 Periodic Table and Elements
Elements in Group 18 on the periodic table are known as                      .
  1. Alkaline earth metals
  2. the Noble Gases
  3. metalloids
  4. transition elements
Grade 10 Periodic Table and Elements
Which statement about nitrogen and phosphorus is not correct?
  1. Both are in the same group of the Periodic Table.
  2. Both are in the same period of the Periodic Table.
  3. Both are non-metals.
  4. Both have the same number of electrons in their outer shell.
Grade 10 Matter
Grade 10 Atomic Structure
Which statement describes isotopes?
  1. Isotopes of the same element have different electron arrangements.
  2. Isotopes of the same element have different nuclear charges.
  3. Isotopes of the same element have nuclei with masses that are the same.
  4. Isotopes of the same element have the same number of protons
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