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

“Al,” soft ’n’ light, made tough ’n’ strong by copper and O2,
There’s alum “sticks,” corundum’s bling: red rubies, sapphires blue.
In pots ’n’ pans and foil y’know,
So core to thermite’s molten flow,
Produced in cells, takes lots of watts, so please recycle, do!
“Al” . . . as in short for Albert oh-two
GROUP 13 METAL
Aluminum is a soft, light, malleable metal that becomes firm and hard when alloyed with small amounts of copper. The metal also develops a micro-fine oxide layer (aluminum oxide, Al2O3) when exposed to air that protects the underlying ...