Atomic Structure: The Atom

Atomic Structure: The Atom

• Atom consists of a nucleus and electrons.
• Electron orbitals make up most of the space in an atom.
• Protons have a relative charge of +1 and a relative mass of 1.
• Neutrons have a relative charge of 0 and a relative mass of 1.
• Electrons have a relative charge of -1 and negligible mass.