Isotopes How are isotopes different from atoms? DO NOW: Fill in the table 8 8 8 15.99 amu ATOM átomo ISOTOPE isótopo ION ion Notation notación O (oxygen) O-18 O-2…

Friday October 18, 2013 Monday October 21, 2013 Chem/Phys Warmup  What are the parts of an atom? Structure of the Atom Notes Chapter 17 Worksheet (pgs.22,27) Tuesday October…

Slide 1 Chapter 4 Atomic Structure Slide 2 By the end of the chapter you WILL be able to… Describe Democritus’s ideas about atoms Describe Democritus’s ideas about…

* Nuclear Chemistry In a chemical reaction, the valence electrons are important. But the nuclei of elements may undergo changes as well. When the nuclei of elements change…

END OF SHOW * * * * * * * * Au is the chemical symbol for gold. Applying Concepts How many electrons does a gold atom have? * * * * * Neon-20, neon-21, and neon-22 are three…

END OF SHOW Au is the chemical symbol for gold. Applying Concepts How many electrons does a gold atom have? Neon-20, neon-21, and neon-22 are three isotopes of neon, a gaseous…