Unit 2 Review

Front

What phase of matter exists in part C of the graph?

Back

Solid

Front

What do elements in the same group on the periodic table have in common?

Back

They have similar chemical properties.

Front

Gold is an element. What is the smallest particle of gold that has the same chemical properties of gold?

Back

An atom of gold.

Front

What is the positive particle in an atom?

Back

Proton.

Front

Name this group: These metals contain familiar metals such as gold, iron, and copper.

Back

Transition metals.

Front

What is the definition of an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

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.

Front

What are the three main states of matter?

Back

Solid, liquid, gas.