Astraight-chain alkene with seven carbons has two double bonds and one bromine atom bonded to one of the carbons. which option correctly describes the general formula for this alkene? a) c7h7br b) c7h13br c) c7h9br d) c7h11br

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved