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Worksheet
Curated OER

Percent Mass, Moles, and Avogadro Worksheet

For Students 9th - 12th
In this moles worksheet learners complete a set of calculations to find how many atoms and moles are in different substances. 
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Lesson Plan
Curated OER

Making Molecules

For Teachers 7th - 9th
In this making molecules worksheet, young scholars complete a table of elements with their symbol, atomic number, atomic mass, number of protons, number of electrons, period and group. Students then make models using pipe cleaners and...
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Assessment
Curated OER

2006 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
In this chemistry Olympiad lab worksheet, learners are given two lab problems to design experiments. Topics include determining the mass percentage of a given compound and determining an unknown metal using quantitative and qualitative...
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Handout
Chapman University

The Standard Model Poster

For Teachers 9th - 12th Standards
Chemistry classes will appreciate this color-coded, single-page reference sheet for The Standard Model of particle physics. It is divided into two main sections: elementary particles and compound particles, both with their antiparticles....
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PPT
Curated OER

The Mathematics of Chemical Formulas

For Teachers 8th - 12th
Wow! This is one of the most exhaustive presentations on finding chemical formulas that you will come across! Beginning with the basics, and leaving junior chemists with procedures and concrete examples, this PowerPoint certainly...
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Worksheet
Curated OER

Atomic Mass, Formula Mass and Percentage Composition Calculations

For Students 9th - Higher Ed
In this elements worksheet, students calculate the relative formula mass and percentage composition calculations for given elements. This worksheet has 16 problems to solve.
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Worksheet
Curated OER

Elements and Compounds Vocabulary Quiz

For Students 5th - 6th
For this science vocabulary worksheet, students draw lines to match 9 words pertaining to elements and compounds to their definitions.
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Worksheet
Curated OER

Elements and Compounds Vocabulary List and Definitions

For Students 6th - 7th
In this chemistry worksheet, students read ten vocabulary words and definitions pertaining to elements and compounds. There are no questions to answer.
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Worksheet
Curated OER

WS 4.5 Percent Composition and Empirical Formula

For Students 10th - 12th
In this compounds worksheet, students determine the empirical formulas and percent compositions of compounds given chemical formulas, mass of elements in compounds and percentages of elements in compounds.
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Worksheet
Curated OER

Determining Percent Composition

For Students 9th - 12th
In this percent composition worksheet, students calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition, finding...
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Worksheet
Curated OER

Empirical and Molecular Formula Sheet

For Students 10th - Higher Ed
For this formulas worksheet, students solve eight problems and are required to write the empirical and molecular formulas given percentage of elements or quantities in mass.
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Worksheet
Curated OER

IPC Chemistry Review

For Students 9th - 12th
In 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 answer...
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Worksheet
Curated OER

Chemical Calculations

For Students 9th - Higher Ed
For this elements worksheet, students use the relative atomic masses of given elements to calculate the relative formula mass. Students calculate the mass of compounds from given number of moles and determine the number of moles from a...
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Worksheet
Curated OER

Atoms, Molecules, and Ions

For Students 10th - 12th
In this molecules worksheet, students 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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Worksheet
Curated OER

The Atom

For Students 9th - 12th
In this atom instructional activity, students read about the structure of the atom including its subatomic particles and John Dalton's theory of the atom. Students also read about the differences between atoms, molecules and compounds....
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Worksheet
Curated OER

The Atom

For Students 6th - 12th
In this atom worksheet, students read about the parts of the atom and how atoms combine into molecules and compounds. Students learn how to read a periodic table. This worksheet has 20 fill in the blank and 10 matching questions.
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Worksheet
Curated OER

Chemical Calculations and Chemical Formulas

For Students 11th - 12th
In this stoichiometry worksheet, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
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Worksheet
Curated OER

Working with Moles

For Students 9th - 12th
In this moles activity, students read about mass, formula mass and moles. They calculate the masses of given numbers of moles of compounds and they calculate the number of moles of given masses of compounds.
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Worksheet
Curated OER

What Can We Measure about Chemicals?

For Students 10th - 12th
In this measuring chemicals worksheet, students determine the accuracy and precision of measurements and distinguish between the two. They find the percent composition of compounds, the molar mass of compounds and the volume of gases at...
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Worksheet
Curated OER

What is a Chemical Reaction?-Evidence of Change

For Students 10th - 12th
In this chemical reactions activity, students experiment with hydrochloric acid and copper (I) chloride to identify the types of reactions they undergo with various other substances. They also observe the law of conservation of mass and...
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Worksheet
Curated OER

Chemistry: Chemical Reaction

For Students 10th - 12th
In this chemical reactions worksheet, students 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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Worksheet
Curated OER

The Mole

For Students 10th - 12th
In this moles worksheet, students read about mole and learn how to calculate the number of moles in specific mass of compounds. This worksheet has 14 problems to solve.
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Worksheet
Curated OER

Math Skills-Density

For Students 8th - 10th
In this density learning exercise, students learn about density and how to solve density problems. They calculate the mass, volume, or density in fifteen problems using what they learned.
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Lesson Plan
Curated OER

The Structure of the Periodic Table

For Teachers 7th - 9th
Learners investigate the periodic table, the structure of the atom and the subatomic particles. In this periodic table lesson plan, students complete 5 activities in order to better understand atoms and the periodic table. They use...