Unit 1 Chemistry of Life Review

Front

What are the properties of water?

Back

Water has a high heat capacity and is a good solvent.

Front

What type of molecules are water molecules?

Back

Water molecules are polar covalent molecules.

Front

What is the term for water's ability to cling to other elements and compounds?

Back

Adhesion.

Front

What is the atomic number of an element defined as?

Back

The atomic number is defined as the number of protons.

Front

What does an atom of phosphorus contain?

Back

An atom of phosphorus contains protons, neutrons, and electrons.

Front

What is cohesion in relation to water?

Back

Cohesion is the ability of water molecules to stick to each other.

Front

What is the significance of water's high heat capacity?

Back

It helps regulate temperature in organisms and environments.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, forming a solution.

Front

What is the difference between polar and non-polar molecules?

Back

Polar molecules have a partial charge due to unequal sharing of electrons, while non-polar molecules do not.

Front

What role do electrons play in chemical bonding?

Back

Electrons are involved in forming bonds between atoms, such as covalent and ionic bonds.