​The Atom

​Structure of the Atom

​2 Locations:

1. Nucleus ​(center of atom)

2. Electron Cloud (fuzzy area around the nucleus)

​Electron cloud

​Nucleus

​Structure of the Atom

​3 Subatomic Particles:

• Nucleus

  1. Protons

  2. Neutrons

• Electron Cloud

  3. Electrons

​Subatomic Particles Charge

​1. Protons - positive charge (+)

2. Neutrons - neutral charge/ no charge (0)

3. Electrons​ - negative charge (-)

​Subatomic Particles Mass

​Atomic mass unit (amu)

1. Protons - 1 amu

2. Neutrons - 1 amu

3. Electrons​ - ~ 0 amu

​The Atom at a Glance