Biology Chapter 2 Review

Which electron shell has the most potential energy

An example of an element is:

What compound accounts for the majority of the body mass in humans?

Isotopes differ in the number of:

An emergent property is when elements combine to form a compound and the characteristics change.

The atomic number is equal to the number of:

Biology is the study of what?

The atomic mass is equal to:

The following is/are an essential element:

The following is/are subatomic particles:

Matter is anything that:

An element can be broken down into other substances by chemical reactions.

Living organisms are subject to the basic laws of chemistry and physics.

What is the most abundant essential element in the human body?

Neutrons have a positive charge.

Radioactive isotopes are harmful to humans.

The following compound are harmful to humans:

A compound is:

One of the most common bonds compounds form is:

Trace elements: