: 1)How many molecules are there in 2.3 grams of NH SO.?
2)How many grams are there in 3.3 x 102 molecules of N..?
3)How many molecules are there in 200 grams of CCI.?

How many grams are there in 1 x 10 molecules of BCI.?

How many grams are there in 4.5 x 10- molecules of Ba(NO)?

How many molecules are there in 9.34 grams of Lici?

How many grams do 4.3 x 10 molecules of UF weigh?

How many molecues are there in 230 grams of N-OH?

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false