1. Nuclear Chemistry 2. Radioactivity One of the pieces of evidence for the fact that atoms are made of smaller particles came from the work of Marie Curie(1876-1934).She…

1. (a) (i) Define the terms: atomic number ............................................................................................... ......................................................................................................................…

1. – Joe Sestakfor Senate Vol. 33, Number 3 – October 2010 www.ufcw1776.orgUNITED FOOD AND COMMERCIAL WORKERSK If we vote, we WIN!– Dan Onoratofor Governor 2. Daughter…

1. 5-3 Balancing with MolesObjectives:Define mole.Explain how moles are used in chemical reaction 2. Counting with MolesChemists need a practical unit to count things.The…

1. THE HISTORICAL DEVELOPMENT of ATOMS 2. Early Greek Theories 400 B.C. - Democritus thought matter could not be divided indefinitely. 350 B.C - Aristotle modified an earlier…

Slide 1Nuclear Chemistry Chapter 25 Slide 2 Radiation In 1896, Antoine Henri Becquerel discovered radiation by accident. His associates at the time were Marie and Pierre…

Slide 1 Slide 2 Slide 3 First chapter NUCLEAR STRUCTURE AND GENERAL POPERTIES OF NUCLEI Slide 4 Systematic of binding energy Slide 5 Mass defect Accurate determination of…

Slide 1 Slide 2 The FermiLab Particle Accelerator Slide 3 Hydrogen gas is converted into hydrogen ions here Slide 4 The linear accelerator Slide 5 accelerates the protons…

Slide 1SAMPLE EXERCISE 21.1 Predicting the Product of a Nuclear Reaction What product is formed when radium-226 undergoes alpha decay? Solution Analyze: We are asked to determine…

Slide 11 Lecture 12: Radioactivity Questions –How and why do nuclei decay? –How do we use nuclear decay to tell time? –What is the evidence for presence of now extinct…