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Bond Type
At the top of the page are a reading passage and colorful diagram that depicts the tug-of-war that occurs between bonding molecules due to electronegativity. High school chemists fill in a chart with electronegativity values, the...
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Review of Chemical Bonding: Review Test
This is an online exercise in which chemistry learners answer a series of multiple choice questions about bonding. Topics addressed include ionic and covalent bonds, electronegativity, ions, valence electrons, resonance structure, and...
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Periodic Table Notes: Determining # of Shells and Valence Electrons
Although the directions say to view a PowerPoint, it is not necessary in order to complete this assignment. Six fill in the blank questions survey the periodic table of elements. A chart follows in which, given the element symbol, young...
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Why and How Atoms Combine
Here is a top-notch handout to supply your chemistry class with. It covers valence electrons, Lewis diagrams, the octet rule, and more! Technically it is less of a worksheet than a detailed explanation of these chemical bonding concepts....
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Carbon Atom Mobile
Students research the element of carbon, its composition, and the importance of carbon to life on earth. Then they design model mobiles of carbon atoms to demonstrate their understanding of the configuration of protons, neutrons, and...
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The Atom Board - Making Atoms
In 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...
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Nuclear Arithmetic
In "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...
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All About Circuits ~ Atomic Structure
In this interactive Internet assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...
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Atomic Structure and Ionic Bonding (A Visual Approach)
Using toothpicks, marshmallows, and round colored sticky dots, physical science enthusiasts build models of an atomic nucleus. In this eighth grade chemistry lesson plan, they play an atom-naming game with the models that they have...
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Electron Dot Structures, etc.
In this electron dot structures handout, new chemists read about electron arrangement and how to draw electron dot diagrams. They complete a chart with the mass number, atomic number, isotope notation, number of neutrons, and Bohr...
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Atoms and Elements: An Introduction
Students are able to discuss the difference between a proton, a neutron and an electron. They also can explain the difference between an ionic and a covalent bond. Students know the main structure of atoms and molecules. Student are able...
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WS 3.5 More Lewis Structures
In this Lewis structures activity, students draw molecular structures for twelve molecules. They determine the number of bonds in the molecular formula by following step by step directions given on the activity.
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Chemical Bonding in Alkanes
In this alkanes worksheet, students complete a table with the chemical formula, the structural formula and the condensed formula of various alkanes given different numbers of carbon atoms. They answer three questions about valence...
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Electron Configuration
In this electron configuration activity, students write the electron configurations of 22 elements and compare their valence electron configurations. They list the elements that are similar in terms of their electrons. They identify the...
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Electron Orbital Diagrams
In this drawing orbital diagrams worksheet, 6th graders draw the electron configuration and orbital based on sublevels for given atoms. Students draw 8 orbital diagrams.
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Grossmont College - Chem 115 Practice Exam 2
Here is a straightforward practice test for first year chemistry learners. Responders balance equations, identify types of reactions, represent electron configurations, and solve stoichiometry problems. Keep this handy to use as...
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2005 U.S. National Chemistry Olympiad - Local Section Exam
National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...
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AP Chapter 9: Respiration - Extra Credit 3 Peter Mitchell & How Cells Make ATP
Critical thinking is required to answer these five questions on cellular respiration. Advanced biology learners consider transport across the mitochondrial membrane and the metabolic pathway in ATP synthesis.
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Periodic Table Basics Test
The 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,...
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Orbital Diagrams
Use this set of slides to demonstrate how to draw orbital diagrams for different atoms. The first slide provides a few tips, and the next three provide examples. Finally, learning check slides give viewers an opportunity to put into...
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Chemical Context of Life & Water
Some basic chemistry concepts are fundamental to understanding biology. Learners explore how molecular structure plays a role in biological processes, especially the structure of the water molecule. The final page focuses on water's...
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An Electron's Address
Where does an electron reside? Chemistry scholars determine an electron's "address," that is, what orbital it can be found in. This resource is both instructional and practical, providing a thorough explanation of energy levels and...
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Get Charged!
Students explore the concept of electricity in this activity based unit. In this physical science lesson plan, students focus on electricity and electrical engineering. The teaching unit includes 5 activities to develop students...
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Summary of Shapes of Molecules
Neatly organized and easy-to-read, this chart summarizes five different molecular shapes: linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral. It associates shape with electron pairs and atom arrangement, and it...