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Worksheet
Curated OER

Average Atomic Mass

For Students 9th - 12th
For this average atomic mass worksheet, students read about how the protons and neutrons make up the atomic mass of an element. They find the average atomic mass given four problems.
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PPT
Science Geek

Atomic Structure

For Teachers 9th - 12th
The International Union of Pure and Applied Chemistry (IUPAC) was formed in 1919 and was crucial for allowing scientists to discuss findings during the Cold War. A presentation offers an introduction to atomic structure including the...
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Lesson Plan
University of Georgia

Bag O' Isotopes

For Teachers 9th - 12th Standards
Accommodate your chemistry class with an experiment that is both entertaining and educational. Through the activity, blossoming chemists perform calculations on various isotopes, as represented by beans and legumes, to obtain the average...
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Worksheet
Curated OER

Atomic Structure

For Students 10th - 11th
In this atomic structure worksheet, students explain that an atom is made up of protons, neutrons and electrons. Then they explain that the atomic number is equal to the number of protons and the mass number is equal to the number of...
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Worksheet
Curated OER

Typical Numeric Questions for Physics I - Atomic Spectra

For Students 9th - 12th
Seven practice problems are presented to physics pros in this assignment. Given the wavelengths, they perform computations for emission spectra. This brief worksheet makes an appropriate pop quiz.
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Worksheet
Curated OER

Periodic Table Basics Make-Up Test

For Students 10th - 12th
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...
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Worksheet
Curated OER

Introduction to the Periodic Table

For Students 9th - 12th
In this periodic table worksheet, students will label the atomic number, atomic mass, element name, and element symbol for oxygen. Then students will determine the characteristics of the different groups of elements on the periodic table...
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Lesson Plan
Curated OER

The Atom

For Teachers 7th - 10th
In this atom worksheet, students complete a graphic organizer for the structure of the atom. They include the definition of the mass number, the atomic mass, the atomic number, the protons, neutron and electrons.
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Organizer
Curated OER

Elements

For Students 10th - 12th
In this elements worksheet, students determine the atomic number, mass, number, electrons, protons, and neutrons for elements. Students review the electromagnetic spectrum. This worksheet has 1 graphic organizer and 13 multiple choice...
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Worksheet
Curated OER

Isotopes and Atomic Mass

For Students 10th - 12th
In this isotopes worksheet, students calculate an average atomic mass of specific elements. This worksheet has 4 problems to solve.
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PPT
Curated OER

The Mole

For Teachers 9th - 12th
This compact collection of slides explains the history and use of the mole unit. Relative atomic mass, as John Dalton understood it, is explained. Avogadro's number is also introduced. The mole, or the unit for the amount of a substance,...
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Worksheet
Curated OER

Atoms and Chemical Bonding

For Students 9th - 12th
An online resource, this worksheet has your chemistry learners complete four data tables with information about atoms and chemical bonds. The first table addresses atomic number and mass, as well as numbers of protons, neutrons, and...
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Worksheet
Curated OER

Protons, Neutrons and Electrons Homework

For Students 5th - 12th
Perfect for reviewing atomic components, this worksheet simply consists of a large, easy-to-read chart of 11 elements. Chemistry learners fill in the missing element symbol, number of protons, neutrons, and electrons, the atomic mass and...
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Interactive
Curated OER

Atomic Weight

For Students 6th - 11th
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...
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Organizer
Curated OER

Thermochemistry

For Students 8th - 10th
In this thermochemistry activity, students indicate whether the given processes are endothermic or exothermic reactions. Students complete the phase change diagram as well as define a given set of vocabulary words. Students calculate...
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Worksheet
Curated OER

Atoms, Ions and Formula Basics Make-up Test

For Students 7th - 12th
Using a copy of the periodic table, chemistry test takers fill in a chart with element name, chemical symbol, atomic number, atomic mass, and numbers of subatomic particles. They define subatomic particles, draw atom models, explain...
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Handout
National Institute of Open Schooling

Mole Concept

For Students 7th - 12th Standards
Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...
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Lesson Plan
Curated OER

Atomic Properties of The Elements

For Teachers 8th - Higher Ed
In this chemistry worksheet, students examine the periodic table and how it is used in the context of interpreting compounds and their structure.
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PPT
Curated OER

Nuclear Reactions - Rutherford's Alpha Scattering Experiment

For Teachers 7th - 12th
Neat! Show your physics class exactly how Ernest Rutherford fired alpha particles at a piece of gold foil and so determined that most of an atom is composed of empty space. Not just a slide show, but almost an animation, this...
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Assessment
Curated OER

2000 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
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Worksheet
Curated OER

Formulas from Masses

For Students 10th - 12th
In this mass worksheet, students determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This worksheet has 5 problems to solve.
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Worksheet
Curated OER

Formula Mass Calculations

For Students 10th - 12th
In this atoms worksheet, students calculate the formula mass for chemical compounds. This worksheet has 12 problems to solve.
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Worksheet
Curated OER

Early Atomic Theory Homework

For Students 9th - 12th
For this early atomic theory worksheet, students answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement supports or...
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Worksheet
Curated OER

Vocabulary - Atomic Structure

For Students 9th - 12th
In this atomic structure activity, learners use textbooks and dictionaries to find the definitions of 22 terms associated with atomic structure.

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