Curated OER
Atomic Structure
In this atomic structure instructional activity, 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...
Curated OER
Typical Numeric Questions for Physics I - Atomic Spectra
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.
Curated OER
Periodic Table Basics Make-Up Test
In this periodic table learning exercise, learners 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...
Curated OER
Introduction to the Periodic Table
In this periodic table worksheet, high schoolers 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...
Creative Chemistry
Calculating the Number of Sub-Atomic Particles in an Atom
For this atoms instructional activity, high schoolers compare sub-atomic particles' position, relative charge, and relative mass. High schoolers define mass numbers and atomic numbers. This instructional activity has two graphic...
Curated OER
The Atom
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.
Curated OER
Elements
For this elements worksheet, learners 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...
Curated OER
Isotopes and Atomic Mass
In this isotopes worksheet, students calculate an average atomic mass of specific elements. This worksheet has 4 problems to solve.
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The Mole
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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Atoms and Chemical Bonding
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...
Curated OER
Protons, Neutrons and Electrons Homework
Perfect for reviewing atomic components, this instructional activity 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...
Curated OER
Atomic Weight
In this chemistry activity, 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
Thermochemistry
In this thermochemistry worksheet, learners 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. Learners calculate...
Curated OER
Atoms, Ions and Formula Basics Make-up Test
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...
National Institute of Open Schooling
Mole Concept
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...
Curated OER
Atomic Properties of The Elements
In this chemistry worksheet, students examine the periodic table and how it is used in the context of interpreting compounds and their structure.
Curated OER
Nuclear Reactions - Rutherford's Alpha Scattering Experiment
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...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
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...
Curated OER
Formulas from Masses
For 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.
Curated OER
Formula Mass Calculations
In this atoms learning exercise, learners calculate the formula mass for chemical compounds. This learning exercise has 12 problems to solve.
Curated OER
Early Atomic Theory Homework
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...
Curated OER
Vocabulary - Atomic Structure
In this atomic structure worksheet, students use textbooks and dictionaries to find the definitions of 22 terms associated with atomic structure.
Shelby County Schools
Atomic Structure Worksheet
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,...
Curated OER
Atoms, Molecules and Ions
Atomic theory, experiments that contributed to our knowledge of matter, atomic structure, isotopes, and ions are covered in these 33 slides. Quality diagrams and labeled charts will help activate understanding. The presentation concludes...
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