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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

Electron Dot Structures, etc.

For Students 9th - 12th
In this electron dot structures handout, new chemists read about electron arrangement and how to draw electron dot diagrams. They complete a chart with the mass number, atomic number, isotope notation, number of neutrons, and Bohr...
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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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Worksheet
Curated OER

Molecules, Moles and Molar Masses

For Students 9th - 12th
In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...
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Worksheet
Curated OER

Molecular Mass and Percent Composition

For Students 9th - 12th
In this molecular mass and percent composition instructional activity, 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...
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Worksheet
Curated OER

The Atoms Family-Atomic Math Challenge

For Students 6th - 8th
In this atoms worksheet, students determine the number of protons, neutrons, electrons, the atomic mass and the atomic number of 16 elements.
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Worksheet
Curated OER

Isotopes

For Students 10th - 12th
In this isotopes worksheet, students review mass number, molecular notation, electron attraction, and electron orbits. This worksheet has 5 matching and 5 short answer questions.
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Organizer
Curated OER

Elements

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

Atom Basics Review Sheet

For Students 10th - 12th
In this atom activity, students fill in three charts using the periodic table to identify atomic number, atomic mass, number of subatomic particles and the element's symbols. Students draw an atom and it's subatomic particles as well as...
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Worksheet
Shelby County Schools

Atomic Structure Worksheet

For Students 7th - 12th Standards
Teaching young scientists about atoms is no small task, but this series of worksheets will make it a little easier. From creating and labeling Bohr models, to identifying information provided in the periodic table of elements, this...
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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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Worksheet
Curated OER

Chapter 2 and 3 Practice Worksheet - Formulas and Compounds

For Students 9th - 12th
For this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
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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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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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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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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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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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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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