Answer:
Is this chemistry or ELA!
Answer:
Electrons move around a nucleus.
Explanation:
It tells you how many protons it has and because the number of protons =electrons it tells you also the number of electrons.
Answer:
The equation is: CuCO3(s) → CuO(s) + CO2(g)
Explanation:
Copper carbonate decomposes at high temperatures, generating the products carbon dioxide (CO2) and copper oxide (II) CuO. In this type of decomposition reaction, a substance is broken generating two different compounds.