Curated OER
Timeline of Atomic Models
In this atomic models time line worksheet, students draw a diagram of Democritus, Dalton, Thomson, Rutherford and the Electron Cloud model of the atom.
Curated OER
Why Do Atoms Combine?
For this atom worksheet, students will complete 8 fill in the blank statements based on the different parts of an atom. Then students will explain how the arrangement of electrons in an atom is related to the periodic table.
Curated OER
Understanding the Rutherford Model
In this Rutherford model worksheet, learners read about Rutherford's experiment with gold foil and alpha particles which led to the discovery of subatomic particles. Students answer six analysis questions about the experiment and...
Curated OER
The Bohr-Rutherford Model of the Atom
In this atom model learning exercise, students explore how scientists developed the Bohr-Rutherford atom model. Students complete 15 fill in the blank statements.
Curated OER
Advanced Paragraph Correction #8
In this paragraph correction worksheet, students read an 8 line passage. Then students respond to 8 multiple choice questions regarding grammar, punctuation, and spelling errors within the paragraph.
Purdue University
Purdue University: Orbital Shells
This site from the Purdue University provides an overview of atomic orbitals and how quantum numbers specify these orbitals. Includes a model that can be rotated and examined in 3D. Includes learning exercises and answers.