What is the mass of 2.47 moles of fluorine (
f. atoms? 0.130 g 7.69 g 46.9 g my answer 282 g

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

What is the most common form of matter in the universe