Warm Up November 1, 2013 • How many Protons, Neutrons, and Electrons does an atom of: • Bromine have? 35 45 35 • Iodine have? 53 74 53 • Astatine? 85 125 85 Warm Up November 4, 2013 • How many Protons, Neutrons, and Electrons does an atom of: • Molybdenum have? 42 54 42 • Tungsten have? 74 110 74 • Seaborgium have? 106 157 106 • What changes in each group? In each period? Groups show the amount of valance electron Periods show the amount of energy levels. Warm Up November 5, 2013 • How many electron shells does Iodine have? • How many valence electrons does Nitrogen have? • Draw a Bohr Diagram for Chlorine. • Draw a Lewis Dot Structure for Argon. Warm Up November 6, 2013 • How many electron shells does Hydrogen have? Cesium? Radon? How many valence electrons does Lithium have? Sodium have? Fluorine have? Warm Up November 7, 2013 • Compare and contrast Metal and Metalloids. • How many electrons does Tin have? • How many valence electrons does Tin have? Warm Up November 8, 2013 • Quiz today – No Warm up Warm Up November 11, 2013 • No Warmup Warm Up November 12, 2013 • Which scientist used a gold foil experiment to show that electrons have irregular orbits? • Which scientist discovered that atoms contain the same number of protons and electrons, since most atoms are neutral? Warm Up November 13, 2013 • What does a Bohr’s diagram look like for Oxygen? • What does an Lewis Dot Structure look like for Oxygen? Warm Up November 14, 2013 • Test today – No warmup Warm Up November 15, 2013 • No Warmup Warm Up November 18, 2013 • How many Protons, Neutrons and Electrons does an atom of Neon have? • Compare and contrast protons and electrons. Warm Up November 19, 2013 • Discuss with your table and answer the following question. • Why is a conclusion important in a science experiment? Warm Up November 20, 2013 • Which elements are the least reactive? • Why? Warm Up November 21, 2013 • Name 2 parts of a good conclusion. • What is the difference between a compound and a mixture? Warm Up November 22, 2013 • Name 3 physical changes and 3 chemical changes. • What is the difference between a physical change and a chemical change? Warm Up November 25, 2013 • How many protons does an atom of Sodium have? • What is a chemical change? Warm Up November 26, 2013 • What is an Element? • What is a Compound? • What is a Mixture? Warm Up November 27, 2013 • Compare and contrast Mixtures and Compounds. • Which ones are readily available at the grocery store?