Answer:
One has a bunch of chemicals and one doesnt physical is hands on chemical is watching
Explanation:
I just know my science
The number of atoms of phosphorus in copper (II) phosphate [Cu3 (PO4)2] is determined by multiplying first 9.20 by 2 since there are two phosphorus atoms in the compound and multiplying again with Avogadro's number. The answer is 1.108 x 10^25 atoms.
Copper is metal, solid, conductive, shiny, copper color formula Cu
sulfur is non metal, solid not conductive,its yellow formula S
copper sulfide is CuS or Cu2S and its dark brown
<span>D. 0.000391 is your answer because the decimal place moves 4 places to the left</span>
Milk. Everything else is a compound/alloy.