Video-3- Electrons, Orbitals and Valence
The link address is: http://edutube.hccs.edu/media/Dr.+David+Schwartz+-+Essential+Chemistry+for+Biology+-+Electrons%2C+Orbitals%2C+%26+Valence+-+3/0_3l3hwrac
The link address is: http://edutube.hccs.edu/media/Dr.+David+Schwartz+-+Essential+Chemistry+for+Biology+-+Electrons%2C+Orbitals%2C+%26+Valence+-+3/0_3l3hwrac