33.1. 33.2 33.3 33.4 33.5 33.6 33.7 Isotopes hydrogen deuterium tritium Nuclear strong force.

Slides:

Advertisements

Similar presentations

Radioactive Decay. - Alpha Decay The emission of an particle from the nucleus of an atom is called alpha decay An alpha particle is just a helium nucleus.

Advertisements

IV. Isotopes 2 or more atoms of the same element having the same number of protons BUT different numbers of neutrons.

Chapter 39 The Atomic Nucleus and Radioactivity

xxx xxxxxx xxx xxx.

Nuclear Chemistry Unit 22 Nuclear Chemistry Dr. Jorge L. Alonso Miami-Dade College – Kendall Campus Miami, FL Textbook Reference: Chapter # 26 Module (None)

Chapter 10 Nuclear Physics. Copyright © Houghton Mifflin Company 10-2 Section 10.1: Symbols of the Elements An element is the fundamental atom by which.

Chapter 30 Nuclear Physics

Chapter 31 Nuclear Applications. Neutron-Proton Ratios Any element with more than one proton (i.e., anything but hydrogen) will have repulsions between.

NUCLEAR CHEMISTRY. The Isotopic Symbol nucleons  Remember that the nucleus is comprised of the two nucleons, protons(p) and neutrons(n). atomic number.

Nuclear Chemistry The Nucleus Remember that the nucleus is comprised of the two nucleons, protons and neutrons. The number of protons is the atomic number.

Nuclear / Subatomic Physics Physics – Chapter 25 (Holt)

Half Lifes. Atoms Proton Electron Cloud Neutron Atomic Number Number of protons – change this → change the element Hydrogen has one proton and one electron.

What are Isotopes? How are they used ? Learning Goal: Students will define and describe the characteristics of isotopes. …and a song to cheer you up!

L 37 Modern Physics [3] [L37] Nuclear physics –what’s inside the nucleus and what holds it together –what is radioactivity –carbon dating [L38] Nuclear.

Half Lifes. Atoms Proton Electron Cloud Neutron Atomic Number Number of protons – change this → change the element Hydrogen has one proton and one electron.

Learning Targets I can name the force that holds the atom’s nucleus together I can describe the two reasons why some isotopes are radioactive. I can describe.

Radioactive Decay.

AM 1 and AM 2 Review.

Chapter 9 pages And Chapter 18 pages

Radiation Objectives Understand the concepts of ½ life and ½ thickness in radiation Differentiate between fusion and fission Describe the processes involved.

Modern Physics Radioactive Decay. Look at the periodic table given to you. Find element with the atomic number 6 What is it?

Chapter 21 Nuclear Chemistry John D. Bookstaver St. Charles Community College Cottleville, MO Lecture Presentation © 2012 Pearson Education, Inc.

Chapter 21 Nuclear Chemistry

Nuclear Changes Preview Understanding Concepts Reading Skills

Chapter 39 The Atomic Nucleus and Radioactivity

Reading Assignment: pp

 Remember that the nucleus is comprised of the two nucleons, protons and neutrons.  The number of protons is the atomic number.  The number of protons.

Nuclear Chemistry Nuclear chemistry is the study of the structure of atomic nuclei and the changes they undergo.

Chapter 7: Radiation. Remember from Chemistry: Mass numberMass number: the number of protons + number of neutrons Atomic numberAtomic number: the number.

Nuclear Reactions.

Chapter 7: Radiation. Remember from Chemistry: Mass numberMass number: the number of protons + number of neutrons Atomic numberAtomic number: the number.

What is it to be Radioactive? Radioactive decay is the process in which an unstable atomic nucleus loses energy by emitting radiation in the form of particles.

Radioactive Decay. What do you know about Radioactivity? 1.All atoms are made up of __________. 2.What are some radioactive isotopes? 3.Why do some isotopes/atoms.

Radioactive Elements.

Jeopardy Jeopardy PHY101 Chapter 11 Review Study of Nuclear Physics Cheryl Dellai.

Chapter 21 Nuclear Chemistry. The Nucleus Remember that the nucleus is comprised of the two nucleons, protons and neutrons. The number of protons is the.

Radioactive Decay Read pages THE STRONG NUCLEAR FORCE STRONG NUCLEAR FORCE Atoms are held together by.

Radiation. Atomic Anatomy Atoms –electrons (e-) –protons (p+) –neutrons (n)

Atoms and Isotopes the light bulb is a reminder

S-145 What is the difference between the terms radioactive and radiation?

The nucleus consists of protons and neutrons, collectively called nucleons. The number of protons is the atomic number. Protons plus neutrons is the atomic.

Chapter 21 Nuclear Chemistry John A. Schreifels Chemistry 212.

Section 19.1 Radioactivity 1.To learn the types of radioactive decay 2.To learn to write nuclear equations for radioactive decay 3.To learn how one element.

Chapter 10 Review activity!. What type of nuclear decay produces energy instead of particles? A. Alpha B. Beta C. Gamma D. Body.

Chapter TED:Radioactivity-Expect the Unexpected by Steve Weatherall hDvDlD3b85zmvERO_rSSUj3FVWScEA _X.

Do Now Which nuclear emission has the greatest mass and the least penetrating power? an alpha particle 2. a beta particle a neutron 4. a positron When.

Nuclear Transformation Prentice-Hall Chapter 25.2 Dr. Yager.

Nuclear Chemistry. Chemical ReactionsNuclear Reactions - Occur when bonds are broken or formed -Occur when the nucleus emits particles or rays -Atoms.

Nuclear Transformations Objectives: 1. What determines the type of decay a radioisotope undergoes? 2. How much of a sample of a radioisotope remains after.

Section 19.1 Radioactivity 1.Students will be able to describe the factors that lead to nuclear stability. 2.Students will be able to describe types of.

L-35 Modern Physics-3 Nuclear Physics

Nuclear Energy Nuclear Structure and Radioactivity.

Types of Radioactive Decay Kinetics of Decay Nuclear Transmutations

Nuclear Chemistry. ATOMIC REVIEW: Atomic number = # of protons # of neutrons = mass # - atomic # protons & neutrons are in the nucleus.

Chapter 10 Nuclear Chemistry.

Radioactive Elements Part 1 Jan 2, Radioactivity: An Imbalance of Forces in the Nucleus.

Mass-Energy Equivalence All matter is a form of stored energy.

Chapter 14 Section 14.1.

Chapter 21 Nuclear Chemistry. © 2009, Prentice-Hall, Inc. The Nucleus Remember that the nucleus is comprised of the two nucleons, protons and neutrons.

The Atomic Nucleus and Radioactivity Or You’re so hot you’re Glowing.

Chapter 10 Nuclear Decay. Objectives 〉 What happens when an element undergoes radioactive decay? 〉 How does radiation affect the nucleus of an unstable.

Radioactivity Elements that emit particles and energy from their nucleus are radioactive. Some large atoms are unstable and cannot keep their nucleus together.

Chapter 19 Radioactivity

Nuclear Energy Atoms and Isotopes.

Nuclear Energy Atoms and Isotopes.

Presentation transcript:

33.1

33.2

33.3

33.4

33.5

33.6

33.7 Isotopes hydrogen deuterium tritium Nuclear strong force

33.8 Electrostatic repulsion Radioactive Decay

33.9 Bubble Chamber

33.10 Uranium Decay

33.11 C14 Dating

33.12

Questions -- MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

) Most of the radioactivity we personally encounter comes from A) nuclear power plants. B) medical X rays. C) the natural environment. D) fallout from past and present testing of nuclear weapons. 2) In order for an atom to decay to an element which is one greater in atomic number, it can emit A) one beta particle. B) one positron and 2 beta particles. C) one alpha particle and 3 beta particles. D) all of these. E) none of these.

) When a beta particle is ejected from a nucleus, the nucleus then has a greater A)charge. B) mass. C) both of these. D) neither of these. 4) Carbon dating requires that the object being tested contain A)organic material. B) sugar molecules. C) charcoal. D) inorganic material. E) none of these.

) Electric forces within an atomic nucleus tend to A)push it apart. B)hold it together. C) neither of these. 6) The end result of radioactive decay can be a different A) atom. B) element. C) isotope. D) all of these. E) none of these.

) The atomic mass number of an element is the same as the number of its A)neutrons. B)nucleons. C)protons. D) none of these. 8) It's impossible for a hydrogen atom to emit an alpha particle. A)False. B) True.

) In bubble chambers, charged particles move in spirals because A) the magnetic field decreases. B) of perspective and parallax. C) of energy dissipation. D) the electric charge decreases. E) the electric charge increases. 10) The half life of carbon 14 is 5730 years. If a 1-gram sample of old carbon is 1/8 as radioactive as 1-gram of a current sample, then the age of the old sample is about A) 716 years. B) 11,500 years. C) 17,200 years. D) 22,900 years. E) 46,000 years.

) When the hydrogen isotope tritium-3 emits a beta particle, it becomes an isotope of A) lithium. B) carbon. C) helium. D) hydrogen. E) none of these. 12) All deposits of natural uranium contain appreciable amounts of A) gold. B) iron. C) lead. D) all of these. E) none of these particularly.

) A quark is A) a building block of nucleons. B) a building block of hadrons. C) an elementary particle. D) all of these. E) none of these. 14) When a beta particle is ejected from a nucleus, the nucleus then has slightly A) smaller charge and significantly greater mass. B) greater mass and smaller charge. C) smaller mass and significantly greater charge. D) greater mass and charge.

) A certain radioactive isotope placed near a Geiger counter registers 120 counts per minute. If the half life of the isotope is one day, what will the count rate be at the end of four days? A) 30 counts/min B) 15 counts/min C) 10 counts/min D) 7.5 counts/min E) 5 counts/min 16) The mass of an atomic nucleon is nearly A) twice the mass of an electron. B) four times the mass of an electron. C) a thousand times the mass of an electron. D) two thousand times the mass of an electron.

Answers -- MULTIPLE CHOICE. The one alternative that best completes the statement or answers the question.

33.23 Chapter 33 1) Answer: C 2) Answer: D 3) Answer: A 4) Answer: A 5) Answer: A 6) Answer: D 7) Answer: B 8) Answer: B 9) Answer: C 10) Answer: C 11) Answer: C 12) Answer: C 13) Answer: D 14) Answer: C, D 15) Answer: D 16) Answer: D