Science Geek
Naming Binary Molecular Compounds
She has been reading that book about helium all day; she just can't put it down! Presentation begins with the rules for naming binary molecular compounds using prefixes and suffixes. After a list of prefixes for review, it offers guided...
Science Geek
The Mole
What can you call a tooth in a glass of water? A one-molar solution! Presentation covers moles, Avogadro's Number, calculating formula mass, converting moles to grams, converting grams to moles, and calculations with moles. It is the...
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...