Monday – write on a sheet of paper. Label it Monday and number the answers. 1.Which elements had complete outer shells? Give the name and symbol for each. 2.What do you notice about the location of these elements? 3.Which elements had only one valence electron? Give the name and symbol for each. 4.What do you notice about the location of these elements? What do you notice about the number of valence electrons as you move from left to right across a row or period in the periodic table? Na  Mg  Al  Si  P  S  Cl  Ar

Tuesday 1.What do you notice about the number of energy levels or shells as you move down a group or column in the periodic table? 2. In what family would you classify hydrogen? Explain. 3.Predict the number of valence electrons for each element based on its location in the Periodic Table of Elements. Barium = _____ Lead = _____ Bismuth = _____ Potassium = _____ Iodine = ______ Calcium = _____ Silicon = _____ Arsenic = ______

Balance Each Equation 1.P + O 2 → P 4 O HgO → Hg + O 2 3. Cl 2 + NaBr → NaCl + Br 2 4.Na + Br 2 → NaBr 6. BaCl 2 + Na 2 SO 4 → NaCl + BaSO 4

Identifying Chemical Reactions 1. ____ P + O 2 → P 4 O ____ Mg + O 2 → MgO 2. ____ HgO → Hg + O 2 8. ____ Al 2 O 3 → Al + O 2 3. ____ Cl 2 + NaBr → NaCl + Br 2 9. ____ H 2 + N 2 → NH 3 4. ____ Na + Br 2 → NaBr 10. ____ S 8 + F 2 → SF 6 5. ____ KClO 3 → KCl + O 2 6. ____ BaCl 2 + Na 2 SO 4 → NaCl + BaSO 4 2. Use the code below to classify each reaction. S = Synthesis D = Decomposition SR = Single Replacement DR = Double Replacement

Friday – Complete Magic Number sheet