Acids turn litmus paper what color?
blue, red, yellow, or pink?

(i've seen this on already, but there are differing answers. ! i'm in the middle of a test.)

(will give brainliest! )

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Once similarity and one difference between a mixture of elements and a mixture of compounds