Chemistry Fall Semester Final Exam

Front

What side of the equation is the fat molecule found on?

Back

Reactants

Front

Is energy released or absorbed in an exothermic reaction?

Back

Released

Front

How many protons are in Silver (Ag)?

Back

47

Front

Identify the element with the symbol O.

Back

Oxygen (O)

Front

What happens when an oceanic plate is forced under a continental plate?

Back

Subduction occurs.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is a chemical reaction?

Back

A process that transforms one or more substances into different substances.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.