Carbon dioxide is a compound of carbon and ... Remember that you will only find elements in the periodic table and never compounds. So, you won’t find substances like water or copper sulfate ...

Where would carbon-based life be without carbon? There are 118 known chemical elements ... of carbon is found in the atmosphere as carbon dioxide or CO₂. Some atmospheric carbon dissolves ...

Save guides, add subjects and pick up where you left off with your BBC account. Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms.