ATOMS & ELEMENTS

• All substances are made of atoms.
• Elements have only one type of atom.
• Compounds consist of 2 + elements.
• Atoms can be broken down into smaller particles called protons, neutrons, and electrons.
• An element is a substance that cannot be broken down into simpler substances.

  An element is also a substance that consists of only one type of atom.
• A compound is a substance made up of two or more elements chemically bonded.
• The smallest particle of an element is an atom
• A molecule is a group of atoms that are chemically bonded together.