In the streetlight shown in the image to the right, the light that is given off is a bright orange-yellow.
The color could result from the presence of
metal ion in the bulb.
DONE
Photo by Laurence Livermore
) Intro

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Do polar molecules have ionic bonds?