Answer:
9g/cm^3 is the density
Explanation:
P = m/V
P = 18/2 = 9g/cm^3
(This is more of a physics question than chem btw)
Answer:1 Answer. A chemical equation is balanced when the number of each kind of atom is the same on both sides of the reaction,,
Look up a picture of the elements on a periodic table. Start reading from the top.
I believe its C because 7.5 would be considered a base and when acid it’s added it’s PH neutralizes the solution
It tells you how many atoms it has, how many protons it contains and the number of electrons.