Nitrogen has an average atomic mass of 14. 674. It has two isotopes, n-14 and n-15, with atomic masses of 14. 0031 amu and 15. 001 amu, respectively. What is the abundance of n-15?.

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

Tell me the iupac names of the following alcohols:

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium