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Electric Currents in Conductors
This nugget explains the mechanism of movement of electric charges in a current-carrying conductor.
NASA
NASA | Studying the Solar Wind on Mars
Robert Lin, the late director of the Space Sciences Laboratory, discusses how NASA's MAVEN spacecraft will study the interaction of the Martian atmosphere with the solar wind. MAVEN's findings will reveal how Mars lost its early...
FuseSchool
Ionic Bonding of Lithium Fluoride & Potassium Oxide
Learn the basics about the ionic bonding of calcium chloride, lithium fluoride and potassium oxide, as a part of the overall properties of matter topic. An ionic bond is defined as the electrostatic attraction between oppositely charged...
FuseSchool
Ionic Compounds & Their Properties
Learn the basics about Ionic Compounds, how they are formed and what their properties are.
Khan Academy
Khan Academy: Ionization Energy Trends
Learn how cations and anions are formed by gaining or losing electrons. Ionization energy relates to the ability of an electron to leave or join an atom.
Khan Academy
Khan Academy: Chemistry: Periodic Table Trends: Ionization Energy
The energy to remove an electron, or ionization energy, is explained. [12:13]
Sophia Learning
Sophia: Formulas of Polyatomic Ions: Lesson 2
This lesson will define polyatomic ions and provide examples using Lewis structures. It is 2 of 2 in the series titled "Formulas of Polyatomic Ions."
Sophia Learning
Sophia: Naming Polyatomic Ions: Lesson 4
This lesson will explain that polyatomic ions have assigned names ending in -ate or -ite with a few exceptions, and discuss how ammonium is the only common polyatomic ion. It is 4 of 4 in the series titled "Naming Polyatomic Ions."
Khan Academy
Khan Academy: Lab Values and Concentrations: What Is an Equivalent?
A video lecture showing how to figure out how to calculate an equivalent and how it relates to a mole. Lecture takes the viewer through several calculations. [10:18]
Sophia Learning
Sophia: Electron Affinity
A brief introduction to the definition of electron affinity in an atom. [0:27]
Sophia Learning
Sophia: Solubility Rules
A narrated screencast which illustrates the solubility rules of common ions. This lesson provides examples on how to determine if an ionic compound will dissociate in water. [5:17]
Sophia Learning
Sophia: Trends in the Periodic Table
Through a series of video lectures and some review questions, learn about the Bohr model of the atom and the periodic table of elements. [7:51]
Sophia Learning
Sophia: Atoms
Watch this video lesson introducing the atom, and learn about its unique structure. [3:58]
Khan Academy
Khan Academy: Ionization Energy Trends
Definition of ion and ionization energy, and trends in ionization energy across a period and down a group. [10:01]
Next Vista for Learning
Next Vista for Learning: Valence Electrons and Forming Ions
This video explores how to make an atom happy by fillings its outer shell! Learn about valence electrons. Also understand that by adding or subtracting electrons, atoms form ions which are no longer neutral but contain a charge. Video...
Sophia Learning
Sophia: Definition of Dissociation: Lesson 2
This lesson will demonstrate how ionic compounds dissociate into positive and negative ions in an aqueous solution. It is 2 of 2 in the series titled "Definition of Dissociation."
Sophia Learning
Sophia: Formulas of Polyatomic Ions: Lesson 1
This lesson will define polyatomic ions and provide examples using Lewis structures. It is 1 of 2 in the series titled "Formulas of Polyatomic Ions."
Sophia Learning
Sophia: Ions: Lesson 3
This lesson will define an ion and explain what happens if the number of electrons in an atom changes. It is 3 of 3 in the series titled "Ions."
Sophia Learning
Sophia: Colligative Properties
This lesson defines colligative properties and identifies examples of freezing point depression and boiling point elevation.