PreparED Study Materials
Videos
Drawing Lewis Structures for Potassium, Barium, Aluminum, and Bromine
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
We explore Lewis structures, which depict atom bonding and lone electron pairs. We create Lewis structures for potassium, barium, aluminum, and bromine by using group numbers in the periodic table to determine their valence electrons.
Weighting Epsom Salts for Baths & CO? in Soda: Molecular Insight
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the step-by-step process to convert moles into grams using the molecular weight of Epsom salts (MgSO?) and carbon dioxide (CO?). From bathtub to soda bottle understand the science behind the amounts
Animal and Plant Energy Storage: Fats and Oils Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video delves into the fascinating world of energy storage in animals and plants, offering insights into why fats are the primary energy storage compound in animals (except muscles) and why plants opt for alternative strategies instead of using fats and oils.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Molecular Geometry & Polarity: Why CO? & CCl? Are Nonpolar Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the intriguing relationship between molecular geometry and polarity in chemistry. Using CO? and CCl? as examples, learn how polar bonds can result in nonpolar molecules. Recognize the role of symmetry in determining molecular polarity.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution











