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- Atomic Structure
Atomic Coatings - The Size of an Atom - Student Laboratory Kit
How can we get students to “see” the extremely small size of an atom? In this experiment, students measure the mass of the zinc coating on a piece of galvanized iron by reacting the metal with hydrochloric acid. Only the zinc, not the underlying iron...
Atomic Target Practice - Rutherford Scattering and the Nuclear Atom - Super Value Guided-Inquiry Kit
Rutherford's discovery of the nucleus has been described as a “black box” experiment. In order to solve the structure of the atom, Rutherford had to “unlock” the box. Rutherford shot alpha particles at atoms in a piece of gold foil and observed the s...
Discovering the Charge of an Electron - Analogy of Millikan's Oil-Drop Experiment - Student Laboratory Kit
The electron, an elementary particle of matter, has a negative charge. Exactly how much electrical charge does one electron have? In the early twentieth century, Robert Millikan quantified the charge of a single electron through a series of carefully...
Electron Structure - 1s Orbital - Super Value Laboratory Kit
Model the difficult concepts of probability and electron structure by having students “roll the dice.” In this activity, the simple roll of the dice is used to simulate the results of complex wave mechanical calculations for the energy of the 1s elec...
Introduction to Electron Structure - Student Laboratory Kit
Help students understand the basics of electron structure with this simple and straightforward lab activity. In this activity, 15 workstation “atoms” are constructed, each consisting of an energy level diagram, a symbol for a neutral atom or ion, and...
Naming Atoms - Elements, Ions, and Isotopes - Super Value Laboratory Kit
In order for students to understand the fundamentals of chemistry, they must start small. What makes up an atom? Why is each element unique? What constitutes an isotope? How are ions formed? In this activity, 18 workstations are created, each contain...
Quantum Leap - Student Laboratory Kit
Take a “quantum leap” to see if you can determine the precise location of an electron around the nucleus of an atom! This engaging lab helps students visualize the shapes and relative positions of the 1s and 2s orbitals in a hydrogen atom. It also br...
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