Curated OER
Periodic Table of Elements
Beginning chemists examine a collection of elements and compounds as they are introduced to the periodic table. The lesson plan is not cohesive and does not provide detailed instructions on how to teach it. However, it does includes a...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Curated OER
Periodically Puzzling
In this periodic table worksheet, students use the list of coded letters and clues that correspond to the represented elements in the first four periods of the periodic table to complete the chart at the bottom of the sheet. They...
Curated OER
Understanding Oxidation Numbers
High schoolers 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.
Curated OER
Atomic Weight
In this chemistry worksheet, students read about atoms, their charges, and their parts; protons and neutrons. They examine how to determine atomic weight by looking at an example. They work online as they practice finding the atomic...
Curated OER
Making Models of Atoms and Isotopes
In this models of atoms and isotopes worksheet, students use marshmallow of different colors to represent the protons, neutrons and electrons in an atom. Students make models of the 3 isotopes of hydrogen. They draw a diagram of each and...
Curated OER
Atoms
In this atoms worksheet, students circle the term in parentheses that makes the 20 statements correct. The statements review the parts of an atom, isotopes, and basic matter principles.
Curated OER
Atomic Structure and Quantum Theory
Students are introduced to the structure of an atom and Dalton's atomic theory through a short video and mini-lecture. They also take a look at the weight of mass and become familiar with the idea of quantum theory
Curated OER
Formulas from Masses
In this mass learning exercise, students determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This learning exercise has 5 problems to solve.
Curated OER
Organization of the Elements and Periodic Table
Students identify how to relate the position of an element in the periodic table to its atomic number and atomic mass. They also identify and interpret how to use the periodic table to identify metals, semimetals, nonmetals, and...
University of Georgia
Resumé of an Element
Class members use the provided worksheet to create a resume for one element from the periodic table. The activity teaches learners about all of the properties of elements and how to read the periodic table.
K12 Inc.
K12 Periodic Table of the Elements
For anyone learning or teaching chemistry, nothing beats a free and interactive periodic table of the elements. Peruse the elements while learning about atomic number and mass, melting and boiling points, and many other properties of...
Curated OER
Atomic Structure
In this atomic structure worksheet, students select answers to 8 fill in the blank questions on subatomic particles from the drop down box.
Curated OER
Periodic Table Basics Make-Up Test
In this periodic table worksheet, students complete a table of elements with their atomic number, atomic mass and symbol. They classify elements by their group name and distinguish between metals, nonmetals, and semi-metals. They also...
Curated OER
Working with Moles
In this moles worksheet, high schoolers 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
Chemistry 1 Practice Exam
Thirty multiple-choice questions and their answers are provided in this resource. It was written for a general chemistry course and queries test takers on scientific notation, mixtures, chemical symbols, electric charges, Dalton's atomic...
Pearson
The Chemical Context of Life
An educational presentation includes atoms, molecules, the four major elements, as well as neutrons and protons. Additionally, slides focus on atomic number, mass number, atomic weight, polar and nonpolar covalent bonding, ionic...
Curated OER
A Guided Tour of the Periodic Table
In this periodic table activity, students write the chemical symbols for the given elements, compare atomic number and mass number, and describe the importance of valence electrons in the organization of the periodic table. This activity...
Science Geek
Periodic Table of Elements
Colored boxes with white font present the basic periodic table of elements to your young chemists. All of the basics are included: chemical name, symbol, atomic number, atomic mass, and the number of electrons in each orbital. A brief...
Curated OER
Average Atomic Mass
In this average atomic mass instructional activity, high schoolers read about how the protons and neutrons make up the atomic mass of an element. They find the average atomic mass given four problems.
Curated OER
Periodic Table of Elements
Each of these 111 slides gives the details of one element. The U.S. conventional name, symbol, atomic number and mass, melting point and the boiling point are listed. There are no other details or activities, so this could be used as...
Curated OER
Periodic Table
For this periodic table worksheet, learners determine why the periodic table is organized the way it is and compare and contrast the characteristics of the different grouping of elements. This worksheet has 22 short answer and 36 fill in...
Curated OER
Atoms
In this neutral atoms worksheet, students identify various neutral atoms found on the periodic table. They determine the number of protons, neutrons, and electrons for each neutral atom listed on the sheet. Students also identify that Z...
Curated OER
Atoms
In this atoms worksheet, students use their knowledge of the periodic table and of atomic structure to complete the table on atoms. They identify the notation for each and then the atomic number, mass number, the number of protons,...