Radioactive decay occurs when atoms of an unstable element... A. break down to form atoms of another element

B. become part of a fossil

C. Are exposed to chemical weathering

D. Join with atoms of another element

Type the letter that represents the correct location for each particle type below.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

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