Which molecules do not attract each other?

Non-polar and non-polar molecules

Polar and non-polar molecules

Positve parts of polar molecules and positive non-polar molecules

Positive parts of polar molecules and negative parts of non-polar molecules

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

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?