D. both a
5. It dissolves more substances than any other?
a. sugar
b. salt
c. water
d. pebble

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What does the mass of 0.7891 mol of ferric oxide (fe2o3)