To find the density you need to divide mass by volume. When you divide 15g by 14cm^3, you get a density of 1.071g/cm^3. This matches the density of magnesium, so the unknown metal is magnesium.
Answer:
yes it is true
Explanation:
evaporation occurs when burning liquid water changes into gas.
I believe it's helium at 0.49 A
Answer: 2 AgNO3(aq) + NiCl2(aq) ⇒ 2 AgCl(s) + Ni(NO3)2 (aq)
Explanation: