Well, an element is a substance that cannot be decomposed into a simpler substance by chemical change, so element is the answer you are probably looking for! Hope this helps!
Answer:
Sulfur is a non mental, because it is consistent with the 3 physical properties listed for nonmetals
I can answer your question if you have a picture or a writing, your welcome.
Answer: It's 2:2
Explanation: you can look at the coefficient stands in front of the chemical
For example if they ask the ratio of oxygen to sulfur trioxide, it would be 3:2 and vice versa vv..