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VSEPR Theory: Molecules with Lone Pairs
In this VSEPR theory instructional activity, 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...
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Naming and Writing Chemical Formulae-I
In this naming and writing chemical formulas instructional activity, students are given directions and practice writing simple chemical formulas. They identify positive and negative valence elements, they name nonmetal compounds, they...
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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
For this naming chemical compounds worksheet, 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 complete...
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Candy Reaction
In this triboluminescence worksheet, students 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 observations....
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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 worksheet, students 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 learning exercise, 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...
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Periodic Table Families
In 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 must...
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Periodic Table
In this periodic table worksheet, 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 worksheet, 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...
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Atomic Structure
In this atomic structure worksheet, high schoolers 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 an atom.
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Honors: Drawing Lewis Structures Homework
In this Lewis structures activity, students draw 12 Lewis dot structures for 8 compounds and 4 polyatomic ions using electrons in the outer orbitals to show bonding.
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Electricity
In this electricity worksheet, high schoolers 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.
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2010 Electricity 10
In this electricity worksheet, 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 protein...
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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...
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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.
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Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses worksheet, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
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Analyzing Oxidation-Reduction Reactions
In 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...
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How Bonds Form
In this bonding worksheet, students 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 of...
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Location of Electrons
In this location of electrons activity, 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 orbital...
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Losing and Gaining Electrons
In this electron worksheet, students 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 number of...
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The Properties of Metals
In this properties of metals worksheet, students read about the history of metal use and their properties. Students read about metallic bonding and answer three questions about bonding in metals.
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Writing Lewis Structures
In this Lewis structures worksheet, students read about drawing Lewis structures and how to identify valence electrons. They draw Lewis structures for eight given compounds.