In a typical chemical reaction the subscript for a particular atom is written

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

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.

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.