The theory that the universe is expanding is supported by the
a) blue shift of light from distant galaxies
b) red shift of light from distant galaxies
c) nuclear fusion occurring in the sun
d) radioactive decay occurring in the sun

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt