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ATOMIC STRUCTURE Q1: Where are electrons contained? Q2: What is a compound? Q3: What is the difference between a molecule and a mixture? Q4: What is in the nucleus? Q5: What is an atom? _____________________________________________________________________________________________ Q1: What is an atom? Q2: What is the difference between a mixture and a compound? Q3: What is in the center of an atom? Q4: What is in the nucleus? Q5: How can you create compounds? _____________________________________________________________________________________________ Q1: What is the octet rule? Q2: How do you get the number of neutrons? Q3: How many protons would an element with an electronic configuration of 2.8.7 have? Q4: What is the key idea (word) for covalent bonding? Q5: How can you tell if an atom loses or gains electrons? _____________________________________________________________________________________________ Q1: What makes an atom stable? Explain. Q2: How do you find the number of protons, electrons, and neutrons of an atom? Q3: Draw the Bohr model for Neon. Q4: Write the electronic configuration of Sulfur. Q5: True or False: Valence electrons are found in the outer shell. _____________________________________________________________________________________________ Q1: What is the relationship between the atomic number, atomic mass, and the number of protons, electrons, and neutron? Q2: What are the charges of protons, electrons, and neutrons? IONS AND CHEMICAL BONDING Q1: Do noble gases bond? Why/why not? Q2: What is the definition of an ion? Q3: A negative ion is called _______ and a positive ion is called _____________ Q4: Describe the octet rule. _____________________________________________________________________________________________ Q1: What does a chemical formula of a compound tell you? Q2: How can you tell if the ion is positive or negative? Q3: How do you name an ion? Q4: Explain why a compound is neutral. _____________________________________________________________________________________________ Q1: What is the difference between a compound and a mixture? Q2: What is a cation? anion? Q3: Is a non-metal a cation? Q4: What is the difference between an atom and an ion? Q5: Why do atoms bond? _____________________________________________________________________________________________ PERIODIC TABLE Q1: Where are the noble gases located in the periodic table? Q2: Where are most of the metals? Q3: Which side of the periodic table has the negative charge ions and which side has the positive charge ions? Q4: Explain how the periodic table is organized? Q5: What is Helium’s atomic number and mass? _____________________________________________________________________________________________ Q1: What happens to the elements as you move from left to right of the table? Q2: What group in the periodic table is associated with fireworks? Q3: Which element is a metalloid? A. rhodium B. Silicon C. Mercury Q4: How are the groups organized? periods or columns? D. Phosphorus Q1: What are the main properties of each group in the periodic table? Q2: How would you describe elements on the left side of the periodic table? right side? Q3: When looking at the periodic table, which element is the most metallic? Least metallic? Q4: What is a metalloid? Q5: What element can go through the process of sublimation? _____________________________________________________________________________________________ CHEMICAL REACTION Q1. How do you balance a chemical equation? Q2: How are the reactions for synthesis different from decomposition reactions? Q3: What are the different types of chemical reactions and how many are there? Q4: Balance this equation: H2 + O2 H2O Q5: How do you know when a chemical reaction has occurred? _____________________________________________________________________________________________ Q1. What are the signs of a chemical reaction? Q2: What are the types of chemical reactions? Q3: What is the law of conservation of mass? Q4: How do you write a quantitative hypothesis for the Burning Mg lab? Q5: Define Combustion. _____________________________________________________________________________________________ Q1: What is the difference between a chemical and a physical change? Q2: Why is burning magnesium not a combustion reaction? Q3: What is synthesis? Q4: What is an exothermic reaction? _____________________________________________________________________________________________