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2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
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2004 U.S. National Chemistry Olympiad - Local Section Exam
In this National Olympiad exam worksheet, chemistry apprentices answer sixty multiple choice questions including general chemistry topics such as atomic structure, gases, problem solving, writing and balancing equations and solutions....
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Formula Mass Calculations
In this atoms learning exercise, learners calculate the formula mass for chemical compounds. This learning exercise has 12 problems to solve.
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Periodic Table of the Elements
Students experiment with transition metals. In this transition metals lesson students find the common properties of transition metals and conduct an experiment using one of them. Students then answer questions regarding what...
Creative Chemistry
Electron Configurations of Transition Metal Elements
For this instructional activity about elements, students review the electron configuration of given elements and then complete the electron diagrams for the transition metal elements. This instructional activity has five problems to solve.
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Understanding Oxidation Numbers
Students review atomic numbers, positive and negative charges, and the periodic table. They examine the relationships among protons and electrons, location of various elements, electron energy levels, and oxidation numbers.
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Elements and Compounds
Eighth graders explore the chemical and physical properties of a variety of elements in a lab setting. They organize the data they collect onto a spreadsheet and then choose one element from the periodic table to research. They...
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Properties of the Elements
In this elements worksheet, students compare the properties of elements in the periodic table such as their atomic radii, valence electrons and ionization energy.
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Periodic Table & Its Trends
Students review atomic structure and then participate in a activity in which they categorize several "elements" into some form of order based on their properties. They discuss the trends they see. They also practice several electron...
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The Halogens
In this chemistry worksheet, students answer 24 questions related to properties of halogens. They fill in the table with the correct answers and participate in teacher demo.
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Chocolatium
Students find the average atomic mass of M & M's. In this chemistry lesson plan, students are given a sample of the element chocolatium and the atomic mass of each sample. They then find the average atomic mass.
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Chemistry: Chemical Reaction
In this chemical reactions worksheet, learners name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
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Transition Metal Properties
For this chemistry worksheet, learners select the answers to 26 multiple choice questions from the drop down box. They describe the physical and chemical properties of transition metals.
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If I Was a...? Worksheet: Chemical Elements
For this element worksheet, students choose an element from the Periodic Table. Students pretend they are the element and answer the questions.
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The Photoelectric Effect in Photocells
Illuminate your physics class with this examination of a photovoltaic cell. Teach the structure and operation of the device using a diagram. Then make a human-powered, larger-than-life sized model of a PV cell. Learners become electrons...
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Periodic Table of Elements
Students use reference skills to locate information about the periodic table.
They identify elements by name, atomic number, atomic mass, symbol and properties. Students use mathematical processes to find the number of protons,electrons...
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Matter: Build a Word
Fourth graders examine matter and the periodic table of elements. In this matter lesson, 4th graders discuss atoms and their composition. Students explore the periodic table of elements and use it to spell words out of the elements.
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Metals, Non-Metals, Metalloids
Students describe properties of various elements. They arrange the elements based on properties in order to explain the organization of the periodic table. They label elements as metal, non-metal, or metalloid.
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Drawing Atoms
In this atoms worksheet, students use their periodic table to determine how to draw the 20 atoms given in this graphic organizer.
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Metals or Nonmetals? The Families of Elements
Fourth graders, in groups, compile information on groups of elements. They study Alkali Metals, Alkaline Earth Metals, Halogens, and Noble Gases.
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Anagrams
In this chemistry worksheet, students complete a crossword puzzle by rearranging 13 anagrams about elements. They create their own anagrams from 3 given words.
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Atoms, Molecules, and Ions
In this molecules worksheet, learners review the parts of an atom and use element mass to determine isotopes. Students give the group, period, and classification for the given elements. This worksheet has 6 short answer questions and 17...
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Metals vs. Non-Metals
For this elements worksheet, high schoolers compare and contrast the characteristics of metals and non-metals. Students practice drawing Lewis dot diagrams and writing ion notation. This worksheet has 9 word problems, 8 matching...
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Elements Compounds and Mixtures
In this science worksheet, students apply science basic knowledge of chemistry to the puzzles that are listed for the four parts of the sheet while focusing upon the identification of a metalloid.