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Science Unit Guide

QuestionAnswer
Cation Positive
Anion Negative
Up-down direction on PT Group
Side to side direction on PT Period
What do all elements in a group have in common? Same # of valence electrons
What does a group determine and what does a period determine? A group determines the # of valence electrons there is, while the period determines the # of sub levels a element has
Which color has the most energy? The least? Violet has the most and red has the least.
There is a bigger circle if there is a _ wavelength. Longer
Electromagnetic Spectrum Radio (longest), Micro, Infared, Visible, Ultra Violet, X-ray, Gamma (high energy, short wavelength)
Photon A fundamental part in which has a specific amount of energy
Relationship between energy levels and energy released The more energy levels that an electron moves through, the more energy that is released
Emission Spectra Each element has a very different spectrum that is related to the structure of the electrons around the atom.
The wavelength (nm) has bigger #s for Red
Created by: Emery1!
 

 



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