Atoms, Elements, and the Periodic Table

Front

What is matter?

Back

Matter is anything that takes up space and has mass.

Front

Is wood considered matter?

Back

Yes, wood is matter.

Front

What are metalloids?

Back

Elements that have characteristics of both metals and nonmetals.

Front

What is the atomic mass of Neon?

Back

20.18

Front

Is a desk considered matter?

Back

Yes, a desk is matter.

Front

What is a homogeneous mixture?

Back

A mixture that is the same throughout, like air.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is the periodic table?

Back

A table that organizes all known elements by their atomic number and properties.

Front

What is an atom?

Back

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

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.