About This Chapter
1. The Atom
Tune into this lesson to find out what matters about matter. What exactly is an atom? And, how do the atoms that make up the elements in the periodic table differ from one another?
2. Early Atomic Theory: Dalton, Thomson, Rutherford and Millikan
Imagine firing a bullet at a piece of tissue paper and having it bounce back at you! You would probably be just as surprised as Rutherford when he discovered the nucleus. In this lesson, we are going to travel back in time and discuss some of the major discoveries in the history of the atom.
3. Modern Atomic Theory: Electron Clouds, Schrodinger & Heisenberg
Does an atom look more like a solar system or a cloud? Learn how the early atomic theory has evolved into the modern atomic theory and changed the way science views the atom. Learn about contributions from Schrodinger and Heisenberg.
4. The Periodic Table: Properties of Groups and Periods
How is the periodic table like the map you used on your last road trip? In this lesson, you will be introduced to the periodic table, the road map of chemists. We will discuss how the elements are organized and how you can use this organization to identify some of their major physical properties.
5. What Are Radioactive Materials? - Definition, Examples, Uses & Benefits
Radioactive materials are all around us. Some are beneficial, while others may cause us harm. In this lesson you'll learn what radioactive materials are and explore where they come from and how they can be useful to us.
6. Understanding the Relationships between Elements, Molecules & Compounds
Everything on Earth is made of atoms, and sometimes they combine to form new groups of atoms. The sky is the limit when it comes to these combinations, which account for the vast number of things we find in our natural world.
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Other chapters within the NES General Science (311): Practice & Study Guide course
- NES General Science: Scientific Inquiry
- NES General Science: Science & Society
- Understanding States of Matter
- Chemical Formulas & Bonds
- NES General Science: The Mole Concept
- NES General Science: Chemical Reactions
- NES General Science: Solutions & Solubility Factors
- Energy Transformations of Matter
- Overview of Force & Motion
- Mechanical & Electromagnetic Waves
- Basics of Electricity & Magnetism
- Intro to Cellular Biology
- NES General Science: Traits of Living Organisms
- Overview of Human Body Systems
- Principles of Genetics
- NES General Science: Evolution
- NES General Science: Ecosystems
- NES General Science: Rocks & Minerals
- NES General Science: Historical Geology
- Overview of Weathering & Erosion
- NES General Science: Plate Tectonics
- Intro to Earth's Hydrosphere
- Basics of the Atmosphere, Weather & Climate
- Overview of the Solar System & Universe
- NES General Science Flashcards