1.  A: to be happy (stable)… atoms are social creatures. Some share, some take but there is almost always interaction… ok, so they are not really social but they do…

1.Atomic number = # of protons in nucleus THE PERIODIC TABLE# of nucleons = # of protons + # of neutrons OF ELEMENTSThe number of neutrons can vary slightly for a given element…

Slide 1 Chapter 9 Chemical Reactions Slide 2 9.1: Reactions & Equations Objectives Recognize evidence of chemical change Represent chemical reactions with equations Balance…

Slide 1Chemical or Physical Change? Slide 2 Physical Change Chemical before change is the same chemical afterwards. Only its form has been altered. Examples: Big piece broken…

Quantum Mechanics Chapter 4 CPS Chemistry Objectives Discuss the wave-particle nature of light Describe the photoelectric effect Discuss how electrons act as waves Discuss…

PowerPoint Presentation CHANANDA -- December 29, 1979   The true path of discipleship and the true inner disciplines of the five secret rays taught in India by the true…