Elements Compounds Chemical Equations Calculations
Chapter 2- Elements, Compounds, Chem Equations and Calculations
Chemistry Notes
Biology 12 - Basic Chemistry - Section 2-1 and 2-2
Elements, Atoms, and Isotopes ***Green indicates test items***
Geologic Time. How much time ? Determining geological ages Relative age dates – placing rocks and events in their proper sequence of formation Numerical.
Using radioactivity in dating Reviewing basic atomic structure Nucleus –Protons – positively charged particles with mass –Neutrons – neutral particles.
The Nucleus. Nuclear Stability and Radioactive Decay Atomic Number is the number of protons in the nucleus. Mass Number is the sum of the protons and.
1 © 2006 Brooks/Cole - Thomson Chemistry and Chemical Reactivity 6th Edition John C. Kotz Paul M. Treichel Gabriela C. Weaver CHAPTER 23 Nuclear Chemistry.
Dating the Earths Rocks. Quantitative Geologic Time Early estimates Calculation based on: Old Testament – Earth is 6,015 years old James Ussher (1581-1656)
© 2011 Pearson Education, Inc. Geologic Time Chapter 8.
Essentials of Geology, 9e Geologic Time Chapter 18.
