What does the first quantum number (n) describe? A. The spin that the electron has

B. Which orbital is being occupied

C. The type of orbital the electron is in

D. The energy level of the electron

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?

In one or two grammatically correct sentences, write a definition for the term molecule geometry