During a chemical reaction, calcium carbonate (CaCO3) breaks down to form calcium oxide (Cao) and carbon
dioxide (CO2).
Which equation represents this chemical reaction?
O A. CaO + CO2- CaCO3
B. CaCO3 + CaO + CO2
C. CaCO3 + CaO + CO2
D. CaCO3 + CO2 + Cao

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

How many neutrons does a atom of cobalt have?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed