Small Cell Lung Cancer Life Expectancy. In small cell lung cancer 'extensive stage', the average life expectancy is believed to be 9 to 12 months; and if the person does not opt for proper treatment, it can go down to 4 to 6 months.Advertisement.isten. In small cell lung cancer 'extensive stage', the average life expectancy is believed to be 9 to 12 months; and if the person does not opt for proper treatment, it can go down to 4 to 6 months.
A chemical element bonded to an identical chemical element is not a chemical compound since only one element, not two different elements, is involved. Examples are the diatomic molecule hydrogen (H 2) and the polyatomic molecule sulfur (S 8).
Carbon dioxide, for example, is a compound of the elements carbon and oxygen.... A compound is best described as a substance with two or more chemical elements bonded together. Carbon dioxide, for example, is a compound of the elements carbon and oxygen.... A compound is best described as a substance with two or more chemical elements bonded together. Carbon dioxide, for example, is a compound of the elements carbon and oxygen. It's worth noting that a chemical compound can have different ratios of different elements in its structure.