For this week in chemistry, as a home work, you have to preforme an at home activity described in the tx-bk pag 154: Trends in Physical Properties. It will be valued as Home Work.
To add for a better understanding, please watch the following video, and find the definition of the key terms listed below.
Quantum Theory made easy: https://www.youtube.com/watch?v=e5_V78SWGF0
Amplitude Energy levels Photons Wavelength
Atomic emmision spectrum Frequency Quantum Quantum Mechanical model
Electromagnetic radiation ground state Spectrum