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Why Do Atoms Combine?

For Students 8th - 12th
For this atom worksheet, students will complete 8 fill in the blank statements based on the different parts of an atom. Then students will explain how the arrangement of electrons in an atom is related to the periodic table.
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Structure of Matter

For Students 8th - 9th
In this science puzzle worksheet, students solve a crossword puzzle related to matter. For example, "Scientist who discovered protons."
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Periodic Table Basics Make-Up Test

For Students 10th - 12th
In this periodic table learning exercise, learners complete a table of elements with their atomic number, atomic mass and symbol. They classify elements by their group name and distinguish between metals, nonmetals, and semi-metals. They...
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Masses of Atoms

For Students 9th - 12th
In this masses of atoms worksheet, students complete a chart of 7 isotopes with their isotope symbol, atomic mass, atomic number, and the number of protons, neutrons and electrons. They calculate the average atomic mass of two elements.
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Atom Review

For Students 6th - 12th
In this atom activity, students review the subatomic particles, the scientists associated with the atomic theory, and the periodic table. This activity has 15 matching, 24 fill in the blank, and 11 short answer questions.
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VSEPR And Polarity

For Students Pre-K - Higher Ed
In this VSEPR theory learning exercise, students evaluate the electron-pair geometry of organic and inorganic molecules. They construct Lewis structures and resonance structures for 17 compounds and complete 3 short answer questions.
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Bonding Basics Review

For Students 9th - 11th
For this bonding worksheet, students complete a chart of elements, their symbols, the total number of electrons, the number of valence electrons and the oxidation numbers. They draw Lewis structures for atoms and show the transfer of...
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What are Atoms?

For Students 9th - 12th
In this atom worksheet, students read about Dalton's contributions to the structure of the atom. They answer five questions about Dalton's ideas, the law of multiple proportions and the law of definite proportions.
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Molecular Models

For Students 5th
In this molecular formula worksheet students fill in a table describing elements and chemical formulas. They identify, elements by type and how they bond. The student analyze molecular formulas to identify the number of atoms and if the...
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IPC Chemistry Review

For Students 9th - 12th
For this chemistry review worksheet, students classify and name compounds, calculate atomic mass, draw Lewis Dot Diagrams, and determine number of protons for atoms. This worksheet has 37 fill in the blank, 38 matching, and 3 short...
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2007 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Assessment
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2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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The Structure of the Periodic Table

For Students 9th - 11th
In this chemistry worksheet, students select the best answer for 26 multiple choice questions from the drop down box. They describe how elements are arranged in the periodic table.
Lesson Plan
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Organic Chemistry II Exam 3

For Teachers 11th - Higher Ed
In this chemistry worksheet, students determine which compound is the most acidic in each multiple choice question. Then they determine what the major product would be in each of the reactions stated on the sheet.
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Periodic Table Basics Review Sheet

For Students 10th - 12th
In this periodic table worksheet, students complete a chart with the appropriate element symbol, the atomic mass and the atomic number. They classify elements by their groups and as metals, nonmetals or semi-metals. They also answer two...
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Atoms

For Students 10th - 11th
In this atoms worksheet, students use their knowledge of the periodic table and of atomic structure to complete the table on atoms. They identify the notation for each and then the atomic number, mass number, the number of protons,...
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What do Atoms Look Like?

For Students 9th - 12th
In this atom worksheet, students answer 31 multiple choice questions about the structure of atoms, the periodic table, the reactivity of elements, orbital diagrams and the families of elements.
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Chemical Bonding and Shapes of Molecules

For Students 9th - Higher Ed
In this chemical bonds worksheet, students review the different types of bonds, Lewis dot structures, ions, and molecule shapes. This worksheet has 10 matching, 17 multiple choice, and 3 drawing questions.
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Chemistry 151 - Final Review

For Students Higher Ed
In this chemistry review activity, students give atomic symbols for given atoms, calculate moles, determine empirical formulas, and balance chemical equations. This activity has 1 drawing, 9 fill in the blank, and 12 word problems.
Organizer
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Thermochemistry

For Students 8th - 10th
In this thermochemistry worksheet, learners indicate whether the given processes are endothermic or exothermic reactions. Students complete the phase change diagram as well as define a given set of vocabulary words. Learners calculate...
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Ions

For Students 10th - 11th
In this ion structure worksheet, students complete a table for ions using the notations provided. They must identify and complete the atomic number, mass number, number of protons, number of neutrons, and the number of electrons for each...
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Organic Chemistry Problem Set Exam 1

For Students 11th - Higher Ed
Though there are technically only 13 questions on this exam, they take up six pages and make a thorough assessment of organic chemistry principles. There are plenty of diagrams to label or complete. Emission spectra are displayed for...
Lesson Plan
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Modern Physics, QM

For Teachers 9th - 12th
In this physics worksheet, students examine the theory of quantum mechanics through the answering of the nine questions. The answers are accessed through the links by each question.
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Chemistry Comes to Life

For Students 9th - 12th
Although biochemistry of the human body is a vital topic, it doesn't have a chapter dedicated to it in many biology textbooks. If that's the case with your text, you can use this resource as a guide for designing your own lecture and as...