A hypothetical element has two main isotopes with mass numbers of 93 and 96. If 66.00% of the isotopes have a mass number of 93 amu, what atomic weight should be listed on the periodic table for this element?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Modern weaponry has increased the number of deaths in wars and violent conflicts.

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.