Calcium (Ca) reacts with oxygen (O) to form calcium oxide (CaO). Calcium oxide then reacts with water (H2O) to form calcium hydroxide (Ca(OH)2). Calcium hydroxide reacts with bromine (Br) to form calcium bromide (CaBr). Finally, calcium bromide reacts with carbon dioxide (CO2) to form calcium carbonate (CaCO3).
Calcium (Ca) reacts with oxygen (O) to form calcium oxide (CaO). Calcium oxide then reacts with water (H2O) to form calcium hydroxide (Ca(OH)2). Calcium hydroxide reacts with bromine (Br) to form calcium bromide (CaBr). Finally, calcium bromide reacts with carbon dioxide (CO2) to form calcium carbonate (CaCO3).