1. Mrs. LaRosa Some images are from www.chem4kids.comwww.chem4kids.com www.middleschoolscience.comwww.middleschoolscience.com 2008

2. Periods 1) ____________________________ 2)_____________________________________ _____________________________ www.chem4kids.com 12345671234567

3. Groups or Families Each column is called a 3)_______________ Each element in a group has the 4)__________ number of electrons in their outer orbital, also known as 5)_________ ________ or 6)____________. Except for He, it has 2 electrons The electrons in the outer shell are called 7)”_____________ electrons” www.chem4kids.com

4. Families on the Periodic Table Elements on the periodic table can be grouped into families bases on their 8)________________properties. Each family has a 9)______________ _____________to differentiate it from the other families in the periodic table. Elements in each family 10)___________ differently with other elements.

5. ALKALI METALS Group 1 Hydrogen is (11)________ a member, it is a (12)_________________ (13)_____ electron in the outer shell Soft and silvery metals (14)__________ reactive, esp. with water Conduct electricity Image: http://www.learner.org/interactives/periodic/groups2.htmlhttp://www.learner.org/interactives/periodic/groups2.html

6. ALKALINE EARTH METALS Group 2 15)_______electrons in the outer shell White and malleable Reactive, but 16)______________ than Alkali metals Conduct electricity

7. TRANSITION METALS Groups in the middle 17)_______ conductors of heat and electricity. Some are used for jewelry. The transition metals are able to put up to (18)______ electrons in their second to last shell. Can bond with many elements in a variety of shapes.

8. BORON FAMILY Group 3 19)_____electrons in the outer shell Most are 20)______________ Boron is a 21)_______________

9. Rare Earth Metals Some are 22)____________ The rare earths are silver, silvery-white, or gray metals. Conduct electricity

10. CARBON FAMILY Group 4 23)_______electrons in the outer shell Contains metals, metalloids, and a non-metal 24)____________ (C)

11. NITROGEN FAMILY Group 5 25)______ electrons in the outer shell Can 26)_____________ electrons to form compounds Contains metals, metalloids, and non- metals

12. OXYGEN FAMILY Group 6 27)____ electrons in the outer shell Contains metals, metalloids, and non-metals 28)_____________

13. Halogens Group 7 29)____ electrons in the outer shell All are 30)______________ 31)______ reactive are often bonded with elements from 32)____________

14. Noble Gases Group 8 Exist as 33)________ Non-metals 34)____ electrons in the outer shell =35) _________ Helium (He) has only 36) ______ electrons in the outer shell = 38)________ 39)_______ reactive with other elements

15. Determine the number of shells and the number of valence electrons for: www.chem4kids.com

16. Determine the number of shells and the number of valence electrons for: www.chem4kids.com