Will give. brainliest. the pH scale describes the negative log of the percent
ion in a solution

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Is this a single replacement reaction or there is no

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.