It's About Time
What Determines and Limits an Atom's Mass?
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...
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
Atom Basics Review Sheet
In this atom worksheet, 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...
Curated OER
Electrons, Protons, Neutrons
For this atoms worksheet, students complete a graphic organizer by writing in the element symbol, atomic number, mass number, and number of electrons, protons, and neutrons. This worksheet has 1 graphic organizer and 14 short answer...
Curated OER
Sub-Atomic Particles and Energy
In this atomic particles instructional activity, students complete an elements chart comparing atomic number, mass number, protons, neutrons, and electrons. Students write the electron configuration for atoms. This instructional activity...
I Teach Bio
A World-Famous Table
Guide first-time physical science learners through the periodic table of elements by having them record the atomic number, atomic mass, number of electrons, number of protons, number of neutrons, or the name of an element when given it's...
Curated OER
Average Atomic Masses Homework
In this average atomic masses worksheet, students solve 3 problems. They find the average atomic mass using data from a mass spectrometer, they find the average atomic mass of an element using isotope information and they explain how a...
Curated OER
Periodic Table
In this periodic table worksheet, students use the periodic table to complete the chart with the given elements. Students fill in the atomic number, atomic mass number, protons, neutrons, and electrons.
Kenan Fellows
Determining the Atomic Mass of Elements in a Compound Using Matrices
Scholars apply concepts learned in both Algebra II and Chemistry to answer the questions on the provided worksheet. The activity allows for extra practice in both classes and helps connect concepts usually taught in isolation. The...
Curated OER
Nuclear Arithmetic
In "Nuclear Arthmetic," first-time physical scientists examine atomic structure and the periodic table of elements. The are given the formula, "N = A-Z," in which N is the number of neutrons, A is the atomic mass, and Z is the atomic...
Curated OER
The Atom Board - Making Atoms
In this atom learning exercise, chemists learn how to determine the number of protons, neutrons and electrons in an atom using the atomic mass and atomic number. They complete a chart of the subatomic particles and use marbles to...
Curated OER
Periodic Table Basics Test
The periodic table of elements is a vital tool for all chemistry apprentices and professionals alike. Here is a chance for your beginning chemists to assess their understanding of the periodic table. They list element names, symbols,...
LABScI
Atomic Structure and the Periodic Table of Elements: The Secret Agent Lab
Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic...
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
Masses of Atoms
In this masses of atoms instructional activity, students complete a chart of 7 isotopes with their isotope symbol, atomic mass, atomic number, and the number of protons, neutrons and electrons. They calculate the average atomic mass of...
Curated OER
Molecules, Moles and Molar Masses
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...
Curated OER
Molecular Mass and Percent Composition
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...
Curated OER
Atomic Structure and Periodic Table Review
In this atomic structure and periodic table worksheet, high schoolers complete a table with isotopes, their atomic masses, the number of protons, neutrons and electrons and mass number. They also find the average atomic mass of atoms and...
Curated OER
Relative Masses
High schoolers investigate relative mass using 8 different items. In this relative masses lesson plan, students discuss as a class John Dalton's atomic theory. They take the masses of the 8 items and record their data. They discuss...
Curated OER
The Atoms Family-Atomic Math Challenge
In this atoms worksheet, middle schoolers determine the number of protons, neutrons, electrons, the atomic mass and the atomic number of 16 elements.
Curated OER
Atomic Structure
This is a basic presentation that can be used to introduce your budding chemists to the structure of an atom. It gives step-by-step examples of a few atoms, showing their particles as well as their chemical formulas and the associated...
Curated OER
Atomic Theory, Structure, and Symbols
In this atomic theory worksheet, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of subatomic...
Curated OER
Atomic Structure
In this elements worksheet, 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.
Curated OER
Calculating the Number of Sub-Atomic Particles in an Atom
In this atoms worksheet, high schoolers compare the position, relative charge and relative mass of sub-atomic particles. Students define mass number and atomic number. This worksheet has 2 graphic organizers and 4 short answer questions.
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