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Worksheet
Curated OER

Energy and Atoms

For Students 9th - 12th
In this atoms worksheet, students review atomic number and mass number of atoms plus what happens when an atom is radioactive. This worksheet has 8 fill in the blank and 9 short answer questions.
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Worksheet
Curated OER

Energy and Atoms

For Students 9th - 12th
For this atoms worksheet, students review atoms, atomic number, and mass number. Students determine what happens when atoms become radioactive. This worksheet has 8 fill in the blank and 9 short answer questions.
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Activity
It's About Time

What Determines and Limits an Atom's Mass?

For Teachers 7th - 12th Standards
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
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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

Vocabulary - Atomic Structure

For Students 9th - 12th
In this atomic structure worksheet, students use textbooks and dictionaries to find the definitions of 22 terms associated with atomic structure.
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Interactive
Concord Consortium

Atom and Ion Builder

For Students 6th - 12th
Explore and control the building blocks of atoms! Physical science superstars add and remove subatomic particles to create atoms and ions with an easy-to-use interactive. An alternate activity includes an assignment that focuses on the...
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Worksheet
Curated OER

Formulas from Masses

For Students 10th - 12th
In this mass worksheet, learners 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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Organizer
Curated OER

Thermochemistry

For Students 8th - 10th
In this thermochemistry worksheet, 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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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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Organizer
Curated OER

Atomic Structure

For Students 9th - 12th
In this elements learning exercise, students complete a graphic organizer by filling in the element symbol, atomic number, atomic mass, and the number of protons, electrons, and neutrons. Then students complete 2 short answer questions.
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Worksheet
Curated OER

Distinguishing Between Atoms

For Students 8th - 12th
Every type of question is used to query young chemists about atomic structure. A vocabulary list tops the page before fill in the blanks, true/false, and matching questions are listed. This is a neatly formatted and pertinent worksheet...
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Lesson Plan
Curated OER

Up and Atom

For Teachers 7th - 8th
"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...
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Lesson Plan
Curated OER

Understanding the Mole

For Teachers 9th - 12th
Students develop an understanding of the mole and molar masses of elements. In this mole lesson plan, students use beans to find their relative masses and draw parallels to the atomic masses of elements. Students work in teams and each...
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Lesson Plan
Curated OER

Chocolatium

For Teachers 9th - 12th
Students find the average atomic mass of M & M's.  In this chemistry lesson, students are given a sample of the element chocolatium and the atomic mass of each sample.  They then find the average atomic mass.
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Worksheet
Curated OER

Chemical Calculations

For Students 9th - Higher Ed
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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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

Periodic Table Assignment

For Students 9th - 12th
In this periodic table worksheet, students complete a crossword puzzle given 22 clues about elements in the periodic table, periodic law, properties of elements and atomic mass and number. Students also fill in a periodic table to...
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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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Worksheet
Curated OER

Atom Basics Test

For Students 7th - 12th
Simple in format and standard in content, this resource is an assessment of your beginning chemists' grasp of the atom. Using a periodic table of elements, they fill in a chart of missing chemical formulas, atomic masses, and numbers of...
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Worksheet
Curated OER

IPC Chemistry Review

For Students 9th - 12th
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...
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Lesson Plan
Curated OER

Protons, Neutrons, and Electrons

For Teachers 7th - 9th
Using the periodic table of elements, young chemists fill in a chart of isotopes to show the atomic number, mass, charge, number of protons, number of neutrons, and number of electrons. The chart is followed by 11 questions that...
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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

Countdown Challenge

For Students 5th - 7th
In this countdown challenge worksheet, students find the 10 common elements from the human body, earth's crust, and ancient times and color code them. Students fill the atomic number of the elements in a given periodic table.

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