Atomic Models Quiz

Which statement BEST describes the model?

• The model shows a single atom that is made of two molecules.

• The model shows a single molecule that is made of two atoms.

• The model shows a single atom that is made of three molecules.

• The model shows a single molecule that is made of three atoms.

Why are models used to represent atoms?

• They are very complex and cannot be understood without a model.

• They are made up of many molecules linked together.

• They are so small that they cannot be seen even with a microscope.

• They are so large that it is impossible to visualize them without a model.

If a molecule is described as being made up of 6 Carbon atoms, 12 Hydrogen atoms, 6 Oxygen Atoms, which chemical formula would best be used to identify the molecule?

• C₆H₁₂O₆

• 6C12H6O

• 6C₁₂H₆O

• C6H12O6

Which best describes the atomic makeup of H₂O?

• One Hydrogen atom and one Oxygen atom

• Two Hydrogen atoms and Two Oxygen atoms

• Two Hydrogen atoms and One Oxygen atom

• One Hydrogen atom and Two Oxygen atoms

Which is matter made up of one type of atom called?

• Chemical Equation

• Element

• Atom

• Particle

What is the process called when a gas changes into a liquid?

• Condensation

• Evaporation

• Melting

• Vaporize

Which of the following is true during phase changes?

• Mass increases

• Mass disappears

• Mass turns to energy

• Mass stays the same

What is the temperature of the water after 6 minutes of heating?

• 36°C

• 52°C

• 68°C

• 84°C

At what temperature does the water start boiling according to the table?

• 84°C

• 100°C

• 68°C

• 52°C

How long does it take for the water to reach 100°C?

• 6 minutes

• 8 minutes

• 10 minutes

• 4 minutes