Identify the name of quantity of each element
a chemical reaction using a chemical equation.

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

What relationship exists between an enzyme and a catalyst?

The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity