Particles of the substance have the most kinetic energy when the substance is . The part of the graph that represents where the substance has the least amount of potential energy is labeled .

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

In which situation can a mixture always be called a solution

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.