Determine the average atomic mass for IODINE. The composition is 80% of I-127, 17% of I-126, and 3% of I-128. Round your response for this problem to 4 significant figures. *

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.

What is the main reason why some developing countries fear the increase the free trade policies around the world?

How are isotopes of the same element alike?