Answer:
I'm assuming you mean how many atoms total and not mass or anything, so it seems there are 27 atoms altogether. Unless you meant to capitalize the o in (Po4) then it would be 28 atoms.
Answer:
-7
Explanation:
10+24X+39x=3
10+63x=3......................collect like terms
63x=3-10
63x=-7
x=-7.........................63divided by minus seven
Answer:
When matter gains heat the particles will move and vibrate faster!
Explanation:
2 hydrogen and 2 chlorine on the reactant side(left of the arrow)
There is only 1 H and 1Cl on the products side so the balanced equation would be;
H2 + Cl2 —> 2 HCl