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[DOC File]ChemQuest 8: Answer Key
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The part of the atom where the protons and neutrons are is called the . nucleus. Critical Thinking Questions. 1. How many protons are found in each of the following: ? in ? in ? 1 proton in each. 2. How many neutrons are found in each of the following: ? in ? in ? : 0 : 1 :2. 3.
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[DOC File]Oxidation-Reduction Worksheet
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For each reaction below, identify the atom oxidized, the atom reduced, the oxidizing agent, the reducing agent, the oxidation half reaction, the reduction half reaction, and then balance the equation by the method of oxidation-reduction showing all electrons transfers. 1.Mg + …
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[DOC File]Nuclear decay worksheet - CTE Online
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ANSWER KEY. Title: Nuclear decay worksheet Author: Lewisville Independent School District Last modified by: Biotechnology3-4 Created Date: 5/16/2014 11:40:00 AM Company: Lewisville Independent School District Other titles:
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[DOC File]Chemistry
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Complete the following chart and answer the questions below. Element. Name Atomic. Number Number of. Protons Number of. Neutrons Mass Number carbon 12 8 8 hydrogen 1 6 14 hydrogen 2 nitrogen 14 1 2 92 146 cesium 82 11 12 47 108 tungsten 110 45 80 24 52 89 152 silver 107 76 114
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[DOC File]Teacher Guide & Answers
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1. The atomic number is the number of protons in the nucleus of the atom. 2. Isotopes are atoms of the same element that. have different numbers of neutrons. 3. The strong nuclear force is the force that holds. the protons and the neutrons together in the. nucleus of the atom. 4. alpha particle ejection, and beta particle emission. 5.
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[DOC File]Elements, Compounds & Mixtures Worksheet
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_1. Pure Element – only one type of atom present. _ E _2. Mixture of two elements – two types of uncombined atoms present. _B_3. Pure compound – only one type of compound present. _A_4. Mixture of two compounds – two types of compounds present. _D_5. Mixture of a compound and an element. Part 4: Column A lists a substance.
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[DOC File]Development of Atomic Theory Paragraph
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The latter two particles are present in the __(14)__, or center, of the atom, which was discovered by __(15)__ in his gold foil experiment. The number of positively-charged particles in an atom is called its __(16)__. The sum of the positively-charged particles and the uncharged particles is called the __(17)__ of the atom.
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[DOC File]Oxidation Reduction Reactions- Answer Key
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Oxidation Reduction Reactions- Answer Key. 4.51. If nitric acid is a strong oxidizing agent and zinc is a strong reducing agent, then zinc metal will probably reduce nitric acid when the two react; that is, N will gain electrons and the oxidation number of N must decrease.
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[DOC File]Isotopes Worksheet
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PART I. Answer the questions based on the above reading. 1. What is an isotope? When an atom of a given element has the same number of protons, but differs in the number of neutrons, 2. What does the number next to isotopes signify? The atomic mass signifies the number next to the isotope. 3. How can you tell isotopes of the same element apart?
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[DOC File]Acid and Base Worksheet - Answers - Chemistry Made Easy
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NH3 is a Lewis base because it uses its lone pair electrons to pull a hydrogen atom from hydrochloric acid. HCl is a Lewis acid because it accepts electrons from NH3 when the H is transferred.HHH. 4) Write an equation for each of the following reactions and indicate what each.
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Atom worksheets with answer keys