What atomic or hybrid orbitals make up the sigma bond between Be and Cl in beryllium chloride, BeCl2? __orbital on Be +
__orbital on CI

What is the approximate Cl-Be-Cl bond angle?

How are isotopes of the same chemical element alike? how are they different?

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.

Displacement is the slope of a velocity vs. time graph a. true b. false