1. Atoms and Subatomic Particles 2. How big is an atom? An atom is incredibly small The diameter of an atom would have to be increased 200 million times to have the diameter…

Slide 1Physical Science Chapter 16 The Periodic Table Slide 2 Parts of an Atom An atom consists of a nucleus surrounded by one or more electrons An atom consists of a nucleus…

Slide 1 PSAE Chemistry Review Part 2 Slide 2 Electrons Available for Bonding Are called __________ __________ The Electrons in the Outermost energy level Nucleus _______________…

Slide 1 Physical Science CHEMICAL BONDS Slide 2 Atomic Models in History Democritus, Greek philosopher, around 400 BC used the term “atomos” which means “indivisible-unbreakable”…

The Future (?) Data from past 100 years: CO2 conc. has risen by 25% average temp. increase: 0.5-0.7 0C Current: doubling the CO2 conc.  +1.8-6.3 0C (2.5-10.4 0F by 2100)…