Final answer:
AgCO3 includes a total of 4 different elements, which are silver, carbon, and three atoms of oxygen.
Step-by-step explanation:
The compound AgCO3 consists of 4 different elements: silver (Ag), carbon (C), and oxygen (O). When looking at the formula, Ag is one element, C is another, and we have 3 atoms of the element O, making a total of 4 elements within the compound.
As for the information provided:
- Calcium carbonate (CaCO3) is a compound because it is made up of more than one element chemically combined in a fixed ratio.
- The ratio of Ca:C:O atoms in calcium carbonate (CaCO3) is 1:1:3.
Regarding the names of substances, AgCO3 is called silver carbonate.