Khan Academy
Khan Academy: First and Second Ionization Energy
An explanation of the reasoning why there is such a large difference between first and second ionization energies. [7:34]
Khan Academy
Khan Academy: Biology: Chemistry of Life: Introduction to the Atom
A video investigating the makeup of an atom. Learn that atoms are composed of protons, neutrons, and electrons. Understand that protons and neutrons determine the mass of an atom. Also, the atomic number gives you the number of protons...
Khan Academy
Khan Academy: Chemistry: Periodic Table Trends: Ionization Energy
The energy to remove an electron, or ionization energy, is explained. [12:13]
Khan Academy
Khan Academy: Chemistry: Elements and Atoms
Learn about the relationship between elements and atoms in this video lecture. Understand the basics of how protons, electrons, and neutrons make up an atom and how elements relate to atoms. [13:09]
Khan Academy
Khan Academy: Atomic Number, Mass Number, and Isotopes
Check your understanding of how to use the atomic number and the mass number to represent different isotopes. [9:43]
Sophia Learning
Sophia: Atomic Number: Lesson 1
This lesson will define atomic number and explain what happens if the number of protons in an atom changes. It is 1 of 7 in the series titled "Atomic Number."
Other
E Learnin: Science: Atomic Number and Mass Number of an Atom
Recognize the atomic number and mass number of an atom and how they are linked to the electrons, protons and neutrons of an atom. [2:05]
Khan Academy
Khan Academy: Atomic Number, Mass Number, and Isotopes
How to use the atomic number and the mass number to represent different isotopes. [9:44]
Khan Academy
Khan Academy: Introduction to the Atom
In this video, learn how atoms are made up of protons, neutrons, and electrons. Elements are defined by the atomic number, the number of protons in the nucleus. The mass of an atom is determined by the total number of protons and...
Next Vista for Learning
Next Vista for Learning: All About Atoms
This video explores atoms! Learn how all matter is composed of atoms. Also learn about the sub particles that make up atoms. Also get a lesson on how to read the periodic table which contains information about different types of atoms....
Next Vista for Learning
Next Vista for Learning: Bohr Model of the Atom
This video takes you inside the atom to learn about the subatomic particles present and their location. Also learn about what the atomic number and mass number tell you about the number of protons, neutrons, and electrons. [1:35]
Other
Rhyme Learn: Atom Rap
Learn everything you ever wanted to know about the atom through this rap song.
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: Atomic Number: Lesson 2
This lesson explains what is represented by the atomic number, and how it varies from one element to the next. It is 2 of 7 in the series titled "Atomic Number."
Sophia Learning
Sophia: Atomic Number: Lesson 7
This lesson will define atomic number and explain what happens if the number of protons in an atom changes. It is 7 of 7 in the series titled "Atomic Number."