Environmental Chemistry
Periodic Table of Elements: Gallium
A very detailed look at the element Gallium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Indium
A very detailed look at the element Indium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Thallium
A very detailed look at the element Thallium, a member of the Boron Group.
Sophia Learning
Sophia: Isotopes: Lesson 9
This lesson will define an isotope and explain what happens if the number of neutrons in an atom changes. It is 9 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 1
This lesson will define an isotope and explain what happens if the number of neutrons in an atom changes. It is 1 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 2
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 2 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 8
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 8 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 7
This lesson will introduce isotopes, and explain how they differ from other elements. It will also show that some isotopes are unstable and emit particles and/or radiation. It is 7 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 4
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 4 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 5
This lesson will introduce isotopes, and explain how they differ from other elements. It will also show that some isotopes are unstable and emit particles and/or radiation. It is 5 of 9 in the series titled "Isotopes."