Elements and atoms | Atoms, compounds, and ions | Chemistry | Khan Academy
12:13
Periodic Table Trends: Ionization Energy
3:01:41
Intro to Chemistry, Basic Concepts - Periodic Table, Elements, Metric System & Unit Conversion
30:31
The Basic Structure of the Atom | Chemistry and Our Universe: How it All Works
10:11
Quantum Wavefunction | Quantum physics | Physics | Khan Academy
13:57
Why Does Changing Just One Proton Change an Element?
14:49
Specific heat, heat of fusion and vaporization example | Chemistry | Khan Academy
7:45
Introduction to chemistry | Atoms, compounds, and ions | Chemistry | Khan Academy
18:25