How are N2, CN-, and CS alike? Mark all of the following that are true. All 3 chemical species have a (the)...

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.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5