Adsorption: Purifying Solutions and Gases
Understand how adsorption helps purify solutions and gases.
Allotropy of Nonmetals
Explore how one nonmetal element can form different allotropes with different structures and properties: carbon, oxygen, phosphorus, and sulfur.
All Simulations
Amino Acids and Peptide Bonds: How a Protein Forms
Chemistry and biochemistry of amino acids: peptide bond formation, polypeptide assembly, and the chemical basis of protein structure.
Ammonia Molecule (NH₃): shape, bonds, and polarity
Understand why ammonia has a trigonal pyramidal shape and why NH₃ is polar.