Hmmm I’m not sure just to to quizlet for now but that seems kinda like science and elements
228 grams
start with mass of Cr multiply by molar mass of Cr mole to mole ratio between Cr and Cr2O3 times molar mass of Cr2O3
D it’s quartz on the Mohs scale thing it’s ranked 7
If anything isn’t obvious, don’t hesitate to ask me
Check the attached photo out...
Once molecules are close enough to touch, intermolecular forces become replusive in order to prevent the molecules from overlapping.
