chem unit 1

• what do atoms consist of?

  protons, neutrons and electrons
• where are protons and neutrons found?

  In the nucleus in the centre which makes up all the mass
• Where are electrons found?

  Around the nucleus known as orbiting the nuclues
• Is proton postive or negetive?

  Postive
• Is electron negitive or postive


  negetive
• electrons will fill the orbital with the lowest energy state