Curated OER
Percent Mass, Moles, and Avogadro Worksheet
In this moles worksheet learners complete a set of calculations to find how many atoms and moles are in different substances.
Curated OER
Making Molecules
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...
Curated OER
2006 U.S. National Chemistry Olympiad Part III
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...
Chapman University
The Standard Model Poster
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....
Curated OER
The Mathematics of Chemical Formulas
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...
Curated OER
Atomic Mass, Formula Mass and Percentage Composition Calculations
In this elements worksheet, students calculate the relative formula mass and percentage composition calculations for given elements. This worksheet has 16 problems to solve.
Curated OER
Elements and Compounds Vocabulary Quiz
For this science vocabulary worksheet, students draw lines to match 9 words pertaining to elements and compounds to their definitions.
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Elements and Compounds Vocabulary List and Definitions
In this chemistry worksheet, students read ten vocabulary words and definitions pertaining to elements and compounds. There are no questions to answer.
Curated OER
WS 4.5 Percent Composition and Empirical Formula
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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Determining Percent Composition
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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Empirical and Molecular Formula Sheet
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.
Curated OER
IPC Chemistry Review
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...
Curated OER
Chemical Calculations
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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Atoms, Molecules, and Ions
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...
Curated OER
The Atom
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....
Curated OER
The Atom
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.
Curated OER
Chemical Calculations and Chemical Formulas
In this stoichiometry worksheet, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
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Working with Moles
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.
Curated OER
What Can We Measure about Chemicals?
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...
Curated OER
What is a Chemical Reaction?-Evidence of Change
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...
Curated OER
Chemistry: Chemical Reaction
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...
Curated OER
The Mole
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.
Curated OER
Math Skills-Density
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.
Curated OER
The Structure of the Periodic Table
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...