Question

is chalk made of calcium carbonate, CaCO3. explain which atoms are needed, and in what ratios, to make chalk. are the elements that make up chalk metals or nonmetal? what would you predict would happen when this substance is placed in water

Answer 1

Answer: calcium is metal and carbon and oxygen is non metal. If you place the chalk in the water there won’t be any chemical reaction

Explanation: Hope my answer is helpful