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\n\"Ricochet\n\n
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\nLesson Planet Curated\n
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\nRicochet Science: Biology 101 - The Chemical Basis of Life\n

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\n\nFor Students\n\n9th - 12th\n
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\nIntroduce young biologists to basic chemistry concepts with a series of eight informative videos covering the structure of an atom, properties of water, acids, bases and pH, electronegativity, polar bonds, and hydrogen bonds, isotopes,...\n
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\n\"Chemistry\n\n
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\nLesson Planet Curated\n
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\nChemistry Lessons\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nA collection of 26 videos provides young chemists with help with concepts and topics that many find confusing. The narrator offers clear explanations, practical advice, and uses multiple examples to ensure understanding. Great for...\n
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\n\n5\nItems in Topic\n\n
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\n\"Mysteries\n\n
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\nLesson Planet Curated\n
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\nMysteries of the Periodic Table\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nMatter matters. A series of five videos explores the mysteries of the Periodic Table. Viewers learn about the properties of atoms and subatomic particles and how they relate to the arrangement of the Periodic Table. Another video...\n
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Worksheet
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\n\"Average\n\n
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\nCurated OER\n
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\nAverage Atomic Mass\n

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\n\nFor Students\n\n9th - 12th\n
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\nUsing a chart of student test grades as an example, curious chemists learn how to calculate weighted averages. They apply this knowledge to elements on the periodic table. As practice in calculating average atomic masses, learners...\n
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Interactive
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\n\"Isotopes\n\n
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\nPhET\n
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\nIsotopes and Atomic Mass\n

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\n\nFor Students\n\n6th - Higher Ed\n\nStandards\n
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\nSome isotopes are unstable, or radioactive, meaning they will decay over time and turn into another isotope or stable element. In the interactive simulation, participants manipulate elements to create isotopes and gather information....\n
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Instructional Video7:23
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\n\"Chemistry:\n\n
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\nSocratica\n
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\nChemistry: Average Atomic Mass (AMU, Daltons, etc.)\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nScientists created a new measurement, the atomic mass unit, which is defined as carbon 12 = 12amu. So why isn't carbon listed as having exactly 12 amu on the periodic table? An installment from the Socratica chemistry playlist answers...\n
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Instructional Video2:24
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\n\"Understanding\n\n
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\nRicochet Science\n
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\nUnderstanding Atomic Number and Atomic Mass\n

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\n\nFor Students\n\n9th - 12th\n
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\nThe amount of information you can learn about an element from the periodic table is amazing! Young scientists learn how to interpret the atomic number and atomic mass. Using a carbon atom as an example, the instructor describes the...\n
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Worksheet
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\n\"Atomic\n\n
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\nCurated OER\n
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\nAtomic Mass, Moles, and the Periodic Table\n

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\n\nFor Students\n\n10th - 12th\n
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\nIn this periodic table worksheet, learners review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.\n
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Lesson Plan
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\n\"Average\n\n
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\nVirginia Department of Education \n
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\nAverage Atomic Masses\n

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\nFacilitate learning by using small objects to teach the principles of atomic mass in your science class. Pupils determine the average mass of varying beans as they perform a series of competitive experiments. They gather data and...\n
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Instructional Video3:35
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\n\"Atomic\n\n
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\nTeacher's Pet\n
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\nAtomic Mass\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nDemonstrate the complex process of calculating a weighted atomic mass. Given the atomic mass of isotopes of a sample, the lesson instructor models the calculation. Multiple examples give learners the opportunity to review the process.\n
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Instructional Video4:39
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\nJFR Science\n
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\nAverage Atomic Mass: Why Are There Decimals on the Periodic Table?\n

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\n\nFor Students\n\n9th - Higher Ed\n\nStandards\n
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\nHow do you count half of a neutron? Solve the mystery of those awkward atomic masses that contain decimals with a video from JFR Science. The narrator shows viewers how to calculate the average atomic mass using the relative abundances...\n
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Instructional Video3:47
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\n\"Why\n\n
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\nFuse School \n
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\nWhy Aren't All Atomic Masses Whole Numbers?\n

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\n\nFor Students\n\n9th - 12th\n
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\nSince an atom can't have a partial neutron, the atomic mass should always be a whole number, but it isn't! An interactive video lesson explains how the atomic mass number from the periodic table incorporates the isotopes of an element....\n
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Instructional Video4:23
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\n\"Relative\n\n
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\nFuse School \n
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\nRelative Atomic Mass\n

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\n\nFor Students\n\n9th - 12th\n
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\nInvestigate how to calculate the relative atomic mass of elements. The video instructor explains how isotopes occur naturally for many elements. She then describes the process of calculating the relative atomic mass of an element using...\n
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Instructional Video4:18
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\n\"Calculating\n\n
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\nFuse School \n
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\nCalculating Relative Atomic Mass\n

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\n\nFor Students\n\n9th - 12th\n
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\nBuild an understanding of relative atomic mass based on the isotopes of an element. The video instructor leads an interactive lesson describing the process of calculating a relative atomic mass. He develops a formula through an analysis...\n
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Lab Resource
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\n\"Isotopes\n\n
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\nPingry School\n
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\nIsotopes and Atomic Mass – Determination of the Average Atomic Mass of Pastium\n

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\n\nFor Students\n\n9th - 12th\n
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\nSometimes modeling is the best approach to working with microscopic particles. A lab investigation models a fictional element using pasta. The setup uses three different pasta types to represent three different isotopes. Learners...\n
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Instructional Video3:49
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\n\"In\n\n
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\nIn Depth: Atomic Mass Units\n

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\n\nFor Students\n\n9th - 12th\n
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\nThe facts are in the numbers! Using atomic mass units, a video lesson explains the carbon atom as the reference mass. Building from that idea, the narrator describes the relative isotopic mass.\n
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Instructional Video3:49
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\n\"Atomic\n\n
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\nFuse School \n
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\nAtomic Number and Mass Number\n

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\n\nFor Students\n\n9th - 12th\n
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\nDiscover the significance of the atomic number and mass number. A video lesson describes the relationship between the two numbers and the subatomic particles. The instructor leads several examples that use the two numbers to determine...\n
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Worksheet
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\n\"Average\n\n
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\nCurated OER\n
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\nAverage Atomic Masses Homework\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this average atomic masses worksheet, students solve 3 problems. They find the average atomic mass using data from a mass spectrometer, they find the average atomic mass of an element using isotope information and they explain how a...\n
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Worksheet
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\n\"The\n\n
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\nCurated OER\n
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\nThe Atoms Family ~ Atomic Math Challenge\n

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\n\nFor Students\n\n5th - 8th\n
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\nBold boxes present parts of the periodic table, with some of the contents conveniently missing. Beginning chemists fill in the blanks, which may include the atomic number, atomic mass, atomic symbol, or element name. Beneath each box...\n
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Worksheet
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\n\"Atomic\n\n
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\nCurated OER\n
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\nAtomic Mass Worksheet\n

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\n\nFor Students\n\n11th\n
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\nIn these atomic mass review worksheets students will complete formulated questions. Students will answer 17 problems on atomic masses to review the chapter material.\n
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\n\"Unit\n\n
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\nCurated OER\n
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\nUnit 2 ~ Atomic Structure\n

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\n\nFor Students\n\n9th - 12th\n
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\nAs an atomic structure reference and review tool, this handout fits the bill. The first page provides definitions and tables of orbitals, electrons, and energy levels. The second page is an opportunity to practice determining numbers of...\n
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\n\"Nuclear\n\n
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\nCurated OER\n
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\nNuclear Arithmetic\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn \"Nuclear Arthmetic,\" first-time physical scientists examine atomic structure and the periodic table of elements. The are given the formula, \"N = A-Z,\" in which N is the number of neutrons, A is the atomic mass, and Z is the atomic...\n
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Worksheet
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\n\"The\n\n
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\nThe Atom Board - Making Atoms\n

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\n\nFor Students\n\n5th - 12th\n
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\nFor this atom worksheet, chemists learn how to determine the number of protons, neutrons and electrons in an atom using the atomic mass and atomic number. They complete a chart of the subatomic particles and use marbles to represent...\n
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Worksheet
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\n\"Periodic\n\n
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\nPeriodic Table Basics Test\n

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\n\nFor Students\n\n7th - 12th\n
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\nThe periodic table of elements is a vital tool for all chemistry apprentices and professionals alike. Here is a chance for your beginning chemists to assess their understanding of the periodic table. They list element names, symbols,...\n
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