Atoms & Periodic Table Review 2024

Front

How many groups and periods does a Periodic Table have?

Back

There are 18 groups and 7 periods.

Front

What does a picture of a compound represent?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What does a picture of a molecule represent?

Back

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

Front

What happens to the properties of atoms when a bond is formed between them?

Back

The properties of the atoms change.

Front

What does a picture of an element represent?

Back

An element is a pure substance that cannot be broken down into simpler substances.

Front

What is the definition of an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the difference between a mixture and a compound?

Back

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

Front

What is the significance of groups in the Periodic Table?

Back

Groups are vertical columns in the Periodic Table that contain elements with similar chemical properties.

Front

What is the significance of periods in the Periodic Table?

Back

Periods are horizontal rows in the Periodic Table that indicate the number of electron shells in the elements.

Front

What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a compound.