Chapter 2 The Chemistry of Life SAVVAS Bio.2

Front

What does the arrow in a chemical reaction represent?

Back

The arrow means 'to yield', indicating the direction of the reaction from reactants to products.

Front

What is the process that transforms one set of chemicals into another?

Back

A chemical reaction.

Front

What is a substance that speeds up the rate of a chemical reaction?

Back

A catalyst.

Front

What type of bond involves the sharing of electrons between atoms?

Back

A covalent bond.

Front

Why does ice float on water?

Back

Ice is less dense than liquid water.

Front

What is a reactant?

Back

A substance that is present at the start of a chemical reaction and is consumed during the reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is produced as a result of a chemical reaction.

Front

What is activation energy?

Back

The minimum amount of energy required to start a chemical reaction.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a polar bond?

Back

A type of covalent bond where electrons are shared unequally, resulting in a molecule with a slight charge.