Topic 3

Front

What is the charge of an electron?

Back

Negative

Front

Which shows states of matter from least organized to most organized?

Back

gas, liquid, solid

Front

What happens to particles of a liquid when energy is removed from them?

Back

distances between particles decreases

Front

Which of the diagrams pictures shows an ELEMENT?

Back

IV

Front

An atom of Lithium will contain how many electron rings/shells?

Back

2

Front

What is the definition of an atom?

Back

The smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

What are the three states of matter?

Back

Solid, liquid, gas.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements are chemically bonded, while a mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the role of electrons in an atom?

Back

Electrons are negatively charged particles that orbit the nucleus and are involved in chemical bonding.

Front

What is the definition of a molecule?

Back

A molecule is a group of two or more atoms bonded together.