1 Question #35: Nitrogen and Arsenic are in the same group, but have
different lonization Energies. Explain why the atomic radius has an
effect on the energy required to ionize these atoms.

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

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.