1. 8 th Grade Science The atomic number is ______. It has ____ protons. It has ____ electrons. It has ____ neutrons. Do Now 13 Al 26.9

2. 8 th Grade Science Today’s Schedule 1. Do-Now 2.Review metal, nonmetal and metalloid 3.Atomic Structure practice Dark Matter Objectives: Today we will… 8.5 (A) describe the structure of atoms, including the masses, electrical charges, and locations, of protons and neutrons in the nucleus and electrons in the electron cloud 8.5(B) identify that protons determine an element's identity and valence electrons determine its chemical properties, including reactivity

3. 8 th Grade Science http://www.youtube.com/watch?v=h6LPAwAmnCQ http://youtu.be/0bAYqluRy2Ihttp://youtu.be/0bAYqluRy2I animation of atom and moving electrons. Chemistry Video

4. 8 th Grade Science Metals, Nonmetals, Metalloids

5. 8 th Grade Science Independent Practice

6. 8 th Grade Science Determining Subatomic Particles

7. 8 th Grade Science Determining Subatomic Particles 9 F 18.998 Fluorine

8. 8 th Grade Science Determining Subatomic Particles 9 F 18.998 Fluorine

9. 8 th Grade Science The atomic number is ______. It has ____ protons. It has ____ electrons. It has ____ neutrons. Do Now 11 Na 22.99

10. 8 th Grade Science Independent Practice VL=0

11. 8 th Grade Science Atomic Structure Letter S represents the _____.

12. 8 th Grade Science Atomic Structure Letter T represents the _____.

13. 8 th Grade Science Atomic Structure Letter Q represents the _____.

14. 8 th Grade Science Atomic Structure Letter R represents the _____.

15. 8 th Grade Science Atomic Structure You know the identity of an element by counting the number of ____.

16. 8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 1 H 1.008 Hydrogen

17. 8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 8 O 15.999 Oxygen

18. 8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 11 Na 22.999 Sodium

19. 8 th Grade Science Atomic Structure What is the identity of this element?

20. 8 th Grade Science Atomic Structure What is the identity of this element?

21. 8 th Grade Science Atomic Structure How many neutrons in an atom of Fluorine?

22. 8 th Grade Science Atomic Structure How many neutrons in an atom of Boron?

23. 8 th Grade Science Atomic Structure How many neutrons in an atom of Magnesium?

24. 8 th Grade Science Atomic Structure Which element has 33 protons?

25. 8 th Grade Science Atomic Structure Which element has 79 protons?

26. 8 th Grade Science Atomic Structure Which element has 82 protons?

27. 8 th Grade Science Atomic Structure How many protons? How many electrons? How many neutrons? 18 Ar 39.9 Argon

28. 8 th Grade Science Atomic Structure How many protons? How many electrons? How many neutrons? 26 Fe 55.8 Iron

29. 8 th Grade Science Today’s Schedule 1. Do-Now 2.Atomic Structure practice 3.Dry erase board practice Dark Matter Objectives: How did we… 8.5 (A) describe the structure of atoms, including the masses, electrical charges, and locations, of protons and neutrons in the nucleus and electrons in the electron cloud 8.5(B) identify that protons determine an element's identity and valence electrons determine its chemical properties, including reactivity