Answer:
I'm pretty sure the answer is A. Ca3(PO4)2.
They prob will harden over time?
Answer:
A.
Explanation:
Sulfur has 6 valence electrons, therefore has 6 dots.
- Hope that helps! Please let me know if you need further explanation.
Stoichiometry is the relationship between the relative quantities of substances taking part in a reaction or a compound. this is normally a ratio of whole integers.
Friedrich Wohler was working with Ammonium Cyanate and found crystals of urea in his beakers
