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Mass Spectrometer
In this mass spectrometer worksheet, high schoolers read about how a mass spectrometer determines the elements in gases around Earth. Students answer 3 questions and identify the elements in a graph found by a mass spectrometer.
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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...
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Chemistry and Bonding
In this bonding worksheet, students take an interactive quiz with 15 multiple choice questions about the VSEPR Theory, bonding, the geometry of molecules, Lewis structures, resonance structures and enthalpy changes.
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Working out the Shapes of Molecules
In this molecular geometry worksheet, students are given the directions and 4 examples as to how to predict the geometry of molecules. They determine if the molecules are pyramidal or trigonal bipyramidal.
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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.
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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...
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Electron Configurations and the Periodic Table
In this electron configuration and the periodic table worksheet, students are given a periodic table with each element. Students write the theoretical electron configuration for each element based on the rules for filling subshells with...
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Ion (Derstand) Bonding through Energy Level Diagrams
Ninth graders investigate ionic bonding through energy level diagrams. For this ion bonding lesson plan, 9th graders observe demonstrations to show energy level diagrams using magnets to represent the subatomic particles. Students fill...
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Why are Electrons Important?
Students write electron configuration of elements using atomic numbers and they identify valence electrons. In this electrons lesson plan, students observe a demonstration showing the space-filling property of an electron. They also...
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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....
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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...
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VSEPR Theory: Molecules with Lone Pairs
In this VSEPR theory worksheet, students build models of molecules using styrofoam balls and pipe cleaners to represent lone pairs. Students complete a chart for 12 molecules with valence electrons, Lewis structures, bond angles, lone...
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Naming and Writing Chemical Formulae-I
In this naming and writing chemical formulas worksheet, students are given directions and practice writing simple chemical formulas. They identify positive and negative valence elements, they name nonmetal compounds, they name compounds...
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Electron Configuration and Quantum Mechanics
In this electron configuration and quantum mechanics worksheet, students identify the 4 symbols for quantum numbers, they complete an electron filling diagram, they complete orbital diagrams for 8 elements and they write the notation...
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Naming III-Identifying Problems Chemical Compound Names
In this naming chemical compounds learning exercise, students are given 9 lettered statements that they use to match with 10 statements about compounds. Students also review the rules for naming compounds by filling in 25 blanks to...
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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...
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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.
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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.
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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.
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Periodic Table Families
For this families of the periodic table worksheet, students complete a table with the characteristics of elements in the 10 families of the periodic table. Students fill in the blank sections using their text book as a resource. They...
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Periodic Table
In this periodic table activity, students are given 12 terms and must match the terms to their appropriate definition. Topics include types of bonds, types of elements, and types of ions.
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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...
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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...
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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.