Unit 2 Review

Front

What is Atomic Mass?

Back

Atomic Mass is always the number of protons and neutrons in an atom.

Front

Define a Compound.

Back

A compound is two or more different atoms combined in a fixed ratio.

Front

How does an Atom differ from an Element?

Back

An element can be multiple atoms as long as they are the same.

Front

What is Atomic Number?

Back

Atomic number is always the number of protons in an atom.

Front

What dessert did J.J. Thompson use to describe his findings of electrons?

Back

Plum Pudding.

Front

What are Protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are Neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are Electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the difference between an Atom and a Molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.

Front

What is the significance of the Periodic Table?

Back

The Periodic Table organizes elements based on their atomic number and properties.