Chemistry Semester 1 Exam Study Guide

Front

What is a phase in chemistry?

Back

Any part of a sample with uniform composition and properties.

Front

What step of the scientific method involves stating a relationship without proposing an explanation?

Back

Scientific law.

Front

Which type of substance is most likely to be organic?

Back

A chemical containing carbon.

Front

What are homogeneous mixtures also known as?

Back

Solutions.

Front

Why does a basketball have more mass than a golf ball?

Back

The basketball contains more matter.

Front

Define a chemical compound.

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination of elements.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a solution?

Back

A homogeneous mixture of two or more substances.