Curated OER
The Elementary Particle Masses
In this elementary particle mass instructional activity, high schoolers calculate the mass of elementary particles in kilograms and million electron Volts. Students solve 4 problems finding Top Quark mass, total quark mass of a proton...
Curated OER
More Atomic Fractions
In this atomic fractions worksheet, students use the atomic ladder rule to solve 8 problems where they determine the energy gained or lost in each atom as electrons jump from one energy level to another.
Curated OER
Atomic Fractions-III
In this atomic fractions worksheet, students read about electrons and energy levels. Students find all the possible energies that an electron could lose as it jumped from one energy level to another based on a given diagram. They...
Curated OER
Electricity: Static and Current
Young scholars investigate static and current electricity. For this electricity lesson plan, students observe 4 demonstrations and conduct 3 activities to explore the repulsion of electrons and the attraction of protons and electrons....
Curated OER
The Atoms Family Album
In the atom worksheet, students read a story about the "Atoms Family" and are given descriptions of the structures of atoms through the story. Students interpret the descriptions by drawing the described atom structure, they name of the...
Curated OER
Candy Reaction
In this triboluminescence worksheet, young scholars use wint-o-green Lifesavers to observe a chemical reaction that gives off light. They break a lifesaver up with a hammer and make observations and they chew a lifesaver and make...
Curated OER
Bohr Model Diagrams
In this Bohr model diagram activity, high schoolers draw the Bohr diagram for 6 elements. They show the number of electrons in each energy level and the total number of protons and neutrons in the nucleus.
Curated OER
Masses of Atoms
In this masses of atoms worksheet, 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 two elements.
Curated OER
Atomic Weight
In this chemistry learning exercise, 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...
Curated OER
Atomic Structure
In this atomic structure instructional activity, students draw a helium atom and show the subatomic particles. They also answer questions about the Bohr model, Dalton's atomic theory and the energy of electrons based on their location in...
Curated OER
Honors: Drawing Lewis Structures Homework
In this Lewis structures worksheet, students draw 12 Lewis dot structures for 8 compounds and 4 polyatomic ions using electrons in the outer orbitals to show bonding.
Curated OER
Electricity
In this electricity worksheet, students answer 17 questions about charges on atoms, their number of protons and electrons, the attraction of atoms or objects when charged, the electricity between two objects, grounding and insulating.
Curated OER
2010 Electricity 10
In this electricity instructional activity, students answer 17 multiple choice questions about electricity, how it is measured, the types of currents, the types of meters and circuits. Students also answer multiple choice questions about...
Curated OER
The Atom
In this atom worksheet, students read about the structure of the atom including its subatomic particles and John Dalton's theory of the atom. Students also read about the differences between atoms, molecules and compounds. They answer 30...
Curated OER
Naming and Covalent Compounds
In this naming and covalent compounds worksheet, students answer 6 questions about ion notation, they make 6 ionic compounds, they make 6 covalent compounds and they name 10 compounds which are ionic, covalent or polyatomic.
Curated OER
Analyzing Oxidation-Reduction Reactions
For this oxidation-reduction reactions worksheet, students read about reactions where elements gain and lose electrons. When elements gain electrons they are reduced and when the lose electrons the elements are oxidized. They are given...
Curated OER
How Bonds Form
In this bonding worksheet, high schoolers read about the attraction of electrons to the protons in other atoms to gain, lose or share electrons in bonds. Students answer eight questions about bonding using the reading and their knowledge...
Curated OER
Location of Electrons
In this location of electrons worksheet, students read about the quantum mechanical model of the atom and the location of electrons. They complete a table given eleven elements with the sublevel notation, the Bohr notation and the...
Curated OER
Losing and Gaining Electrons
In this electron learning exercise, high schoolers read about how atoms lose and gain electrons and how they become ions. They are given a table with nine elements and they give the electron configuration, the number of electrons, the...
Curated OER
Analyzing the Bohr Atom
In this Bohr atom worksheet, high schoolers complete a table with the number of electrons of the element, the electron configuration, the mass number, the number of protons, the number of neutrons, the element, the symbol and the isotope...
Curated OER
Integrating Physics-Atomic Fingerprints
In this atomic fingerprint instructional activity, students read about the Bohr model and electrons changing energy levels and emitting energy. They answer questions about the atomic spectrum and the fingerprints for specific atoms.
Curated OER
Atoms, Molecules, and Ions
In this molecules learning exercise, students review the parts of an atom and use element mass to determine isotopes. Students give the group, period, and classification for the given elements. This learning exercise has 6 short answer...
Curated OER
Atoms
In this atoms worksheet, students complete a graphic organizer by writing in the number of electrons, valence electrons, electron configuration, orbital box diagram, probability diagram, and Lewis Dot diagram for the given atoms and ions.
Curated OER
Worksheet 4-1 Atomic Spectra
In this atomic spectra worksheet, students answer eighteen questions about wavelengths of light, the emission spectrum, energy of photons, the frequency of electromagnetic radiation and electrons in the excited state.