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February 3, 2016 Student Planner Place this in the proper place Due Friday: Notebook, Super Hero essay & drawing
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Summary: We had a standard opening. Mr. V did a lab that showed some material forming Ions when in water.
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Answer the EQ which was: Essential Question: Identify the names given to positive and negative ions
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Topic/Objective: Name: Introduction to Ions Class/Period: Date: Feb 3, 2016 Essential Question: Define an ionic bond
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Warm Up
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1. As a sample of water turns to ice, A new molecules are formed. B the mass of the sample is increased. C the arrangement of the molecules changes. D energy is absorbed by the molecules
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2. The following equations represent chemical reactions. Which equation shows that the total mass during a chemical reaction stays the same? A 1B 2C 3D 4 12Na + 2H 2 O 2 H 2 + O 2 3 4 NaOH + H 2 H20H20 Mg + Cl 2 MgCl 2 NAOH +MgCl 2 NaCl + MgOH
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3. Radon ( Rn Atomic number = 86 ) shows an atomic mass of (222). Why is the number 222 in parentheses? a) They never accurately measured the mass. b) The number reflects the mass of of the most stable isotope c) the mass changes with different tables d) This indicates a educated guess at the mass.
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9 4. Neutrons are ____________________ charged particles. A. positively B. neutrally C. atomic number D. nucleus
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10 Answers
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1. As a sample of water turns to ice, A new molecules are formed. B the mass of the sample is increased. C the arrangement of the molecules changes. D energy is absorbed by the molecules
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1. As a sample of water turns to ice, A new molecules are formed. B the mass of the sample is increased. C the arrangement of the molecules changes. D energy is absorbed by the molecules
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2. The following equations represent chemical reactions. Which equation shows that the total mass during a chemical reaction stays the same? A 1B 2C 3D 4 12Na + 2H 2 O 2 H 2 + O 2 3 4 NaOH + H 2 H20H20 Mg + Cl 2 MgCl 2 NAOH +MgCl 2 NaCl + MgOH
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2. The following equations represent chemical reactions. Which equation shows that the total mass during a chemical reaction stays the same? A 1B 2C 3D 4 12Na + 2H 2 O 2 H 2 + O 2 3 4 NaOH + H 2 H20H20 Mg + Cl 2 MgCl 2 NAOH +MgCl 2 NaCl + MgOH
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3. Radon ( Rn Atomic number = 86 ) shows an atomic mass of (222). Why is the number 222 in parentheses? a) They never accurately measured the mass. b) The number reflects the mass of of the most stable isotope c) the mass changes with different tables d) This indicates a educated guess at the mass.
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3. Radon ( Rn Atomic number = 86 ) shows an atomic mass of (222). Why is the number 222 in parentheses? a) They never accurately measured the mass. b) The number reflects the mass of of the most stable isotope c) the mass changes with different tables d) This indicates a educated guess at the mass.
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17 4. Neutrons are ____________________ charged particles. A. positively B. neutrally C. atomic number D. nucleus
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18 4. Neutrons are ____________________ charged particles. A. positively B. neutrally C. atomic number D. nucleus
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Homework Due Friday: Super Hero (villain) essay and drawing, notebook. Examples of the drawing due Friday
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Today’s Work 1.Read along chapter 14.2 page 356
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