Among the particles Mg2+ , S2- , NH3 , CH3F, SiF4 , CH2Br2 , how many ion-ion and ion-dipole interactions could be seen? A. 8

B. 7

C. 6

D. 5

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

How many atoms are there in 5.70 mol of mg

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.