1. Atomic Theory

2. Name the scientist whose atom looked like this…

3. Thomson

4. Name the scientist whose atom looked like this…

7. Dalton

8. Name the scientist whose atom looked like this…

9. Rutherford

10. What model is this?

11. Electron Cloud

12. Place the theories in order from earliest to the current theory we know today

14. Match the scientist to their discovery Dalton Thomson Rutherford Bohr Chadwick Schrodinger Discovered electron Discovered neutron The atom is mostly empty space Virtually all the mass of the atom is in the positively charged nucleus Said all matter is made of atoms Electrons rotate around the nucleus like planets Electrons are in clouds around the nucleus

15. Match the scientist to their discovery Dalton Thomson Rutherford Bohr Chadwick Schrodinger Discovered electron Discovered neutron The atom is mostly empty space Virtually all the mass of the atom is in the positively charged nucleus Said all matter is made of atoms Electrons rotate around the nucleus like planets Electrons are in clouds around the nucleus

16. Match the scientist to their discovery Dalton Thomson Rutherford Bohr Chadwick Schrodinger Discovered electron Discovered neutron The atom is mostly empty space Virtually all the mass of the atom is in the positively charged nucleus Said all matter is made of atoms Electrons rotate around the nucleus like planets Electrons are in clouds around the nucleus

17. Match the scientist to their discovery Dalton Thomson Rutherford Bohr Chadwick Schrodinger Discovered electron Discovered neutron The atom is mostly empty space Virtually all the mass of the atom is in the positively charged nucleus Said all matter is made of atoms Electrons rotate around the nucleus like planets Electrons are in clouds around the nucleus

18. Match the scientist to their discovery Dalton Thomson Rutherford Bohr Chadwick Schrodinger Discovered electron Discovered neutron The atom is mostly empty space Virtually all the mass of the atom is in the positively charged nucleus Said all matter is made of atoms Electrons rotate around the nucleus like planets Electrons are in clouds around the nucleus

19. Match the scientist to their discovery Dalton Thomson Rutherford Bohr Chadwick Schrodinger Discovered electron Discovered neutron The atom is mostly empty space Virtually all the mass of the atom is in the positively charged nucleus Said all matter is made of atoms Electrons rotate around the nucleus like planets Electrons are in clouds around the nucleus

20. Match the scientist to their discovery Dalton Thomson Rutherford Bohr Chadwick Schrodinger Discovered electron Discovered neutron The atom is mostly empty space Virtually all the mass of the atom is in the positively charged nucleus Said all matter is made of atoms Electrons rotate around the nucleus like planets Electrons are in clouds around the nucleus

21. Atomic Structure – Proton, Neutron or electron? Which part is the positive subatomic particle?

22. Atomic Structure – Proton, Neutron or electron? Which part is the positive subatomic particle? Proton

23. Atomic Structure – Proton, Neutron or electron? Which part is the negative subatomic particle?

24. Atomic Structure – Proton, Neutron or electron? Which part is the negative subatomic particle? Electron

25. Atomic Structure – Proton, Neutron or electron? Which part is the neutral subatomic particle?

26. Atomic Structure – Proton, Neutron or electron? Which part is the neutral subatomic particle? Neutron

27. Atomic Structure – Proton, Neutron or electron? Which parts are in the nucleus?

28. Atomic Structure – Proton, Neutron or electron? Which parts are in the nucleus? Proton and neutron

29. Atomic Structure – Proton, Neutron or electron? Which part is found in the clouds?

30. Atomic Structure – Proton, Neutron or electron? Which part is found in the clouds? Electron

31. Draw a picture of an atom of Carbon