Questions of a well-known scientific theory, how it was developed, and what theories came before it.

Chemistry worksheet - i am not sure what they are asking for exactly?

The three types is stress that act on earths rocks are compression, tension, and

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons