30. Which of the following formulas for a compound containing the Fe3+ ion is incorrect? a. FeS
b. Fe2S3
C. FeN
d. FePO4

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Light waves can move through , but they travel fastest when they move through a(n) .

What are the two major rules associated with polarity