Chemistry of Life Quiz

What is the basic unit of matter?

• Molecule

• Atom

• Compound

• Element

Which particle is positively charged and found in the nucleus?

• Isotope

• Proton

• Electron

• Neutron

What term describes a substance with one type of atom?

• Compound

• Mixture

• Element

• Solution

What is a polar molecule?

• A molecule that cannot dissolve in water

• A molecule with unequal charge distribution

• A molecule that is non-polar

• A molecule with equal charge distribution

Which of the following describes cohesion?

• Water molecules forming a solution

• Water molecules repelling each other

• Water molecules attracted to themselves

• Water molecules attracted to other substances

In a solution, what is the substance being dissolved called?

• Solvent

• Solute

• Solution

• Mixture

What is the role of a solvent in a solution?

• It is the substance being dissolved

• It is the substance doing the dissolving

• It is the final mixture

• It is a type of bond

What is the difference between a solute and a solvent?

• Solvent is the substance that dissolves the solute

• Solute is the substance doing the dissolving

• Solvent is the substance being dissolved

• Solute is larger than solvent

Which of the following best describes adhesion?

• Water molecules forming a bond

• Water molecules attracted to themselves

• Water molecules attracted to other polar substances

• Water molecules repelling each other

What type of bond is characterized by a weak attraction between molecules?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Metallic bond