The physical properties of matter are going to be appearance,texture, density. hope that helped
The answer is
option D "electron-cloud model." A electron-cloud model includes: includes positive charge, contains electrons, explains the photoelectric effect, suggests the probable location of electrons. It was also invented by Erwin Schrödinger.
Hope this helps!
You should test several properties because some minerals might be similar, but if you test all the properties, you will identify it correctly.