How many neoutrons does sulenium 82have?

What effect does nuclear radiation have on atoms?

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.

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