How do you calculate the number of formula units for 6.82 X 10 -6 mol of lead(II) nitrate.

Tell me the iupac names of the following alcohols:

Connect the whole numbers on the periodic table to indicate what they represent?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)