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In Chemistry, this is an atomic ion. This is called Phosphate. One of the most common ions out of the 66 there are. Phosphate is found in the bones to repair them, as well as any destroyed tissues.
“Hey Doc! What is the abbreviation for Phosphate?”

“Oooooh!! Oooooh!!! PO4!!!!”
by @TheRoseBowler February 07, 2018
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