What is the number of electrons shared between the carbon atoms in a molecule of propyne?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

What is the value of keq for the reaction expressed in scientific notation

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.