<span>The first method to determine the chemical composition of a substance in space was using light. By determining red shift in the observed spectrum of light they could determine the elements they were observing. Different elements change the way light behaves and from this scientists can determine the makeup of things such as stars and nebulas.</span>
It becomes "ion". anion or cation.
Answer:
air rises most quikly above water so i'm confuse it's lake or river
Bi (Bismuth), will have the strongest metallic character, as it is the last element in group 15.
