Atoms & Elements

Chemistry is the study of MATTER!

Matter is anything that has mass and takes up space.

Define atoms and elements.

Compare atoms and elements

Scientists discovered that all of the matter in our Universe is made of about 116 elements.

90 of these elements occur naturally.

The remaining elements are created by scientists in a lab.

Elelements are a pure substance made of only one type of atom.

Examples of atoms include iron, silver, and gold.

Basically an element is a special type of matter that only has one ingredient.

Compounds and molecules.

Example: Water contains two kinds of atoms - Hydrogen and Oxygen.

Example - Carbon Dioxide - Contains Carbon and Oxygen

Atoms are the building blocks of matter.

That means all matter is made up of atoms!

Anything that has mass and takes up space is made of matter. All matter is made of atoms.

Super small.

They are so small that we can't see them unless we have extremely powerful microscopes.

Example: A metal can that is about the size of you hand has billions of atoms. It has so many atoms that if you were to spend your whole life counting the atoms in the can that you would be unable to count them all!

They are made up of even smaller particles called "subatomic" particles

Subatomic literally means smaller than an atom.

The three subatomic particles are protons, electrons and neutrons. (more on these later!)