April 2020
Intermediate to advanced
296 pages
5h 20m
English

For chromium, think colored salts, think chrome’s hard, rust-free shine,
Think rubies’, em’ralds’ sparkled bling, which Cr helps define.
There’s toxic “hexa,” vital “tri,”
GROUP 6 TRANSITION METAL
The name chromium comes from the Greek word chroma, which means color. Like many other transition metals, chromium forms an array of colored salts. Examples include green chromium(III) oxide (Cr2O3), yellow lead(II) chromate (PbCrO4), orange potassium ...