How many pennies in a gram?

How many muscles does it take to smile 17,31,57?

How many standard time zones are there in the world ?

how many faces does a rectangular prism have? And how many vertices

How many days does it take for saturn to revolve around the sun?

What is the name given to many of the elemnts that have more that one oxidation number?? is it isotopes?

How many grams of copper should have been produced starting with 2.24 grams of iron, using stoichiometry.

So in level 1: 2 electrons level 2: 8 level 3: 18 level 4: 32 ? an element with an atomic number of 59 how many ...

How many atoms is an average person made up of. I know that the Universe contains about 10^80 atoms. Does anyone know how m...

I hear 95 percent are.. what is sa morman. isnt it that religion where they dont watch tv and stuff.

I really need some help on this. Im studying for a chemistry test and so im redoing some of the exercises we did in class, bu...