Science Notes Posts






Sodium nitrate is a compound with both ionic and covalent bonds.
Some chemical compounds contain both ionic and covalent bonds. These are ionic compounds that contain polyatomic ions. Often, a compound with both types of bonds contains a metal bonded to an anion of covalently bonded nonmetals. Less often, the cation is polyatomic. The cation isn’t always a metal. Sometimes nonmetals […]

Compounds With Both Ionic and Covalent Bonds


You can use heat to obtain pure bismuth metal from Pepto Bismol.
It’s easy to extract bismuth from Pepto-Bismol tablets or liquid. Once you have the bismuth, you can grow colorful bismuth crystals. The active ingredient in Pepto-Bismol is bismuth subsalicylate (C7H5BiO4). Bismuth subsalicylate acts as an antacid, relieving gastrointestinal complaints, such as heartburn, diarrhea, indigestion, and nausea. It’s also antibacterial and […]

How to Extract Bismuth From Pepto Bismol