Unit 2 Quizzes. 9.21.12 1.Who was your scientist? 2.When did he live? 3.What did he do for an experiment/observation? 4.Draw his model of the atom. 5.What.

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Presentation transcript:

Unit 2 Quizzes

Who was your scientist? 2.When did he live? 3.What did he do for an experiment/observation? 4.Draw his model of the atom. 5.What do you think of google documents?

Where is most of the mass of the atom located? 2.What kind of particles are found in the nucleus? 3.What is the charge of the nucleus? 4.Which 2 charges are attracted to each other? 5.Which of these scientists has the most accurate atomic theory? A. AristotleB. DemocritusC. Schroedinger

Which side of the periodic table has metals? 2.Name 2 transition metals 3.How many protons does Potassium have? 4.How many neutrons does Potassium have? 5.What does Sodium look like?

How many valence electrons does Boron have? 2.How many valence electrons do all alkali metals have? 3.How many valence electrons does Barium have? 4.How many valence electrons do Halogens have? 5.What are valence electrons also known as?