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

“I’m soft and light; my SO4 spurns H2O’s advances . . .
. . . thus views of your contorted gut its opaque ‘meal’ enhances.
My barite muds float rocks from deep,
My NO3 lights up so green ’gainst night sky’s dark expanses.”
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THE FIFTH MEMBER OF THE GROUP 2 ALKALINE EARTH METALS
Barium is a relatively soft, silvery metal, much like its predecessors (beryllium, magnesium, calcium, and strontium). But it’s somewhat lighter (less dense) than expected ...