Module 3: First Semester Final Review

Atoms with the same number of protons but different numbers of neutrons are called _______________.

the smallest particle of an element that retains the properties of that element is an __________.

The weighted average mass of an element's isotopes is the _________ _______.

The center-most part of an atom where the protons and neutrons are contained is called the ___________.

The subatomic particle with a positive charge is the ___________.

The subatomic particle with no charge is the ___________.

The subatomic particle with a negative charge is the ___________.

___________ __________ __________ states that all matter is composed of atoms.

Where is the proton located in an atom and what charge does it have?

• nucleus; +1

• nucleus; 0

• nucleus; -1

• outside the nucleus; -1

Where is the neutron located in an atom and what charge does it have?

• nucleus; +1

• nucleus; 0

• nucleus; -1

• outside the nucleus; -1