Curated OER
Molecule Models: Model to Formula and Model to Formula
For this science molecule models worksheet, student convert 8 molecule models to chemical formulas and 8 chemical formulas to molecule models.
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Boron and Oxygen Atoms
In this atom molecule worksheet, high schoolers will use a boron atom diagram to answer three fill-in-the-blank questions. Then students will label the protons, neutrons, and electrons on an oxygen atom diagram.
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IB Chemistry 1
In this chemistry overview worksheet, students compare atoms and molecules, intensive and extensive property, and physical and chemical change. This worksheet has 12 short answer questions and 3 problems to solve.
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WS 8.1 Solutions
In this solutions activity, students identify solutes and solvents from a list of solutions and they draw water molecules bonding to each other. They fill in the blanks with terms related to bonding in solutions, density of solutions and...
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Chemical Formula Practice #1/Bonding Basics Practice Page
The first of two worksheets methodically prepares chemistry novices for naming polyatomic compounds. It begins by having them acknowledge the number of each atom contained in a molecule. Then learners list the valence electrons for a...
National Institute of Open Schooling
Adsorption and Catalysis
Adsorption, not absorption, is when atoms stick to the surface of an object, like water sticking to a grain of sand. An informative lesson delves into adsorption, teaching physical and chemisorption and the factors that affect them....
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Covalent and Ionic Bonding:Electron Dot Structures with Ionic Notation
After drawing the valence electron distribution of 13 basic elements, there are spaces to draw 18 more complicated molecules. For each molecule, there is space for a Dot structure and Lewis structure that best describes the distribution...
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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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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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Drops on a Penny
A helpful instructional activity describes an interesting demonstration on the surface tension of water. Learners guess how many drops of water the heads side of a penny will hold. This resource does a great job of describing just how a...
Curated OER
Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
Curated OER
Vocab Science Chapter 1
In this word search worksheet, students locate 20 words related to science. The word list includes volume, mixture, and solute.
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Science Sentence Worksheet
In this science vocabulary words worksheet, students write science vocabulary words into a sentence. Students write 15 sentences.
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Molecular Models of Functional Groups
In this molecular model activity, students use a molecular model kit to construct 13 different molecule models. After constructing the molecules, the students complete 32 short answer questions.
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Predicting Molecular Shapes
In this molecular shapes worksheet, high schoolers read about how to predict molecular shapes in molecules based on the number of electron pairs and the VSEPR theory. Students are given twelve molecules, they draw the Lewis structures...
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Balancing Equations
In this balancing equations worksheet, students balance ten equations by placing the proper coefficients in front of reactants and products to balance the number of atoms.
Curated OER
Interpreting Chemical Formulas
In this chemical formulas worksheet, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.
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Mixtures, Solutions and Matter
In this mixtures, solutions and matter activity, learners are given 12 terms and they cut out 12 definitions to match with the terms. Topics include types of mixtures, types of matter such as atoms, molecules and compounds and solutions.
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Chemical Changes in Matter
In this matter and chemical changes worksheet, students write symbols and formulas for 2 chemical reactions. They write words for 1 chemical reaction given in symbols and formulas. They draw a diagram representing a chemical reaction and...
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Molecular Mass and Percent Composition
In this molecular mass and percent composition worksheet, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12 molecules...
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Balancing Equations Challenge
In this balancing equations worksheet, students identify the number of atoms in given molecules and compounds and they balance ten equations by placing the proper coefficients in front of the reactants and products.
Curated OER
Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses worksheet, high schoolers are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
Curated OER
Polarity Homework
In this polarity worksheet, students are given 5 compounds and they draw the Lewis structure for each, they identify the bond angels, they write the molecular shape and they determine the polarity of the molecules. Honors students...
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Moles Homework-Honors Chemistry
For this moles worksheet, students are given 9 problems where they find the number of grams, molecules, moles, or ions given one of these measurements and the chemical compound. Students calculate the number of atoms in a gallon of...