Instructional Video
Next Vista for Learning

Next Vista for Learning: Valence Electrons and Forming Ions

9th - 10th
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...
Instructional Video
Sophia Learning

Sophia: Definition of Dissociation: Lesson 2

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Formulas of Polyatomic Ions: Lesson 1

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Ions: Lesson 3

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Colligative Properties

9th - 10th
This lesson defines colligative properties and identifies examples of freezing point depression and boiling point elevation.