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Curated OER
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...
Biology Junction
Water, Solutions, pH, and Buffers
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
Chemistry Collective
Virtual Lab: Textbook Style Limiting Reagents Problems
Time to test the limits! Young scientists make limiting reagent calculations and test their math using a virtual lab simulation. Using their knowledge of ionic compounds, they determine the limiting reagents and the excess compounds.
Learning Games Lab
Nitrogen in Fertilizer
Nitrogen is an essential element for productive farming. An interactive lesson explores the chemical makeup of different fertilizers and their corresponding nitrogen content. The interactive challenges individuals to complete...
Curated OER
Chemistry - Science 10
In this chemistry science worksheet, students identify the parts of a chemical reactions. Students name the major particles of the atom. Students apply knowledge about the atom, theories, and models.
Curated OER
Final Worksheet
In this chemistry worksheet, students complete 15 short answer questions and problems on empirical and molecular formula, naming and writing chemical formula of compounds.
Curated OER
Calculating Rates
For this rates worksheet, learners determine the rate of production or consumption for given reactions. Students write chemical equations in complete ionic form or net-ionic form. This worksheet has 6 problems to solve.
Curated OER
Types of Chemical Reactions
In this chemical reactions worksheet, students fill in 12 blanks, determine if 5 statements are true or false, match 4 types of reactions with their description and solve 2 problems related to balancing equations and chemical reactions.
Curated OER
Naming Formulas
In this naming formulas worksheet, students name 50 given chemical formulas of ionic compounds and covalent compounds including acids, bases, salts and gases.
Curated OER
Matter Overview
There is not much information in this presentation. It serves more as a guide to direct the flow of your introductory chemistry lecture. Each slide displays a large title and a smaller phrase meant to explain it. For example, one title...
Curated OER
Ionic Bonding
In this ionic bonding worksheet, high schoolers review the characteristics of ionic bonding, draw Lewis dot diagrams for elements, and write the chemical formula for ionic compounds. This worksheet has 8 drawings, 14 fill in the blank,...
Curated OER
Naming Simple Ionic Compounds
In this compounds worksheet, students name 20 ionic compounds by filling in a chart given the chemical formulas of each compound.
Curated OER
Balancing Chemical Reactions
In this balancing chemical reactions worksheet, students answer 12 questions about balancing reactions. They find the coefficients to balance atoms in equations, they balance reactions, they find the molecular mass of molecules and they...
Curated OER
Product Formation Homework
In this product formation worksheet, students are given the reactants for 6 chemical equations and they determine if the products will form. They write a balanced chemical reaction for a double replacement reaction as well as the ionic...
Curated OER
Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
Curated OER
The Nature of Salt
Young scholars record information from the periodic table for sodium and chloride. They determine whether salts are molecular or ionic compounds, along with sodium chloride's molecular weight, and relative weights
Curated OER
Chapter 7 Worksheet-Types of Equations
In this equations worksheet, students write equations and classify them as single displacement, double displacement, combustion, combination or decomposition reactions. They also write sample equations of each type of reaction and answer...
Curated OER
Final Worksheet
High schoolers will review a semesters worth of material on this final chemistry review. Information ranges from naming isotopes to pH and molarity.
Curated OER
Endothermic and Exothermic Lab
In this endothermic and exothermic reactions worksheet, students experiment with water and a salt of choice to determine if heat is absorbed or released in the reaction. Students take the temperature of their solution over a 2 minute...
Curated OER
Chemical Calculations and Chemical Formulas
In this stoichiometry worksheet, learners calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
Curated OER
Unit 4 - Periodic Table
There are 17 multiple choice questions on this periodic table test. The focus is on properties of the elements by group and period. The exam is not formatted well, making it a little difficult to read. There is also a typographical...
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
Curated OER
Chemical Formulas Unit-Day 4
The purpose of this lesson involves reviewing nomenclature and molecular
formulas as well as introducing naming molecular compounds and identifying acids. The students investigate and understand how conservation of energy
and matter is...
Curated OER
Bonding Basics Practice Page
In this chemistry worksheet, students complete each of the bonds listed. They draw the Lewis structures for each atom and show the transfer of electrons and charge for each ion. Students also draw the Lewis structures for each atom and...