PreparED Study Materials
Notes
Videos
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
8 kJ to
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Physical vs. Chemical: Chlorine Reactions & Magnetism
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the differences between physical and chemical properties in substances. Learn some fundamentals of chemistry and understand how substances interact and change.
Indium Secrets: Electron Config Magnetism & HCl Reaction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video breaks down the configurations for In In+ In2+ and In3+ distinguishing between diamagnetic and paramagnetic properties. Uncover the oxidation state of Indium in InCl2 and understand its diamagnetic nature.
Mole Count in Elemental Samples (Zn, Ar, Ta, Li)
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video outlines the process of calculating the number of moles in various elemental samples. It begins by explaining the relationship between molar mass and atomic weight. Each sample's mass is divided by the respective element's molar mass to find the number of moles. It provides detailed calculations for four elemental samples: zinc (Zn), argon (Ar), tantalum (Ta), and lithium (Li), converting results to scientific notation where necessary. The script demonstrates how to determine the mole
Understanding Electron Configurations of Ions: The Noble Gas Connectio
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unravel the electron configurations of diverse ions and discern their noble gas resemblances. Understand how atoms and ions strive for full outer electron shells for ultimate stability.
