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Nuclear Chemistry Mr. Skirbst Physical Science Topic 21
Nuclear Chemistry Radioactivity -
Nuclear Chemistry Radioactivity – - a release of matter and energy that changes the nucleus of an atom
3 Types of Radiation 1. Alpha particles
3 Types of Radiation 1. Alpha particles (+) 2 protons & 2 neutrons - can burn skin, but is stopped by paper
3 Types of Radiation 2. Beta particles
3 Types of Radiation 2. Beta particles (-) 1 electron & (+) 1 proton (from neutron decay) - can penetrate 3 mm of Al
3 Types of Radiation 3. Gamma Rays
3 Types of Radiation 3. Gamma Rays an electromagnetic wave (no charge) - penetrates several centimeters of Pb (lead)
3 Types of Radiation TypeAt. MassCharge 4+ 0-0
Nuclear Stability Describes the “strength” of the nucleus
Nuclear Stability Binding Energy - nuclear force that holds the nucleus together
Nuclear Stability Radioactive Decay - unstable nucleus breaks down & releases energy & matter
Nuclear Stability 2 Types of Decay: Alpha decay -releases (2P & 2N) Beta decay - releases (1E & 1P from 1N)
Nuclear Stability Decay typeat. Massat. # -4-2 same+1
Nuclear Stability Half Life: - time it takes for ½ the atoms to decay
Nuclear Stability Nuclear Notation:
Nuclear Stability Decay Series: - Illustrates radioactive decay
Nuclear Energy Fission – splitting of atomic nucleus
Nuclear Energy Fusion – combining of atomic nucleus
CLICK HERE TO BEGIN! Directions: Click the term that correctly matches the definition in each question.
Integrated Science Mr. Danckers Chapter 10.
Radioactivity and Nuclear Reactions PS-2.2: illustrate the fact that the elements exist as stable or unstable isotopes PS-2.6: compare fission and fusion.
NUCLEAR CHEMISTRY QUIZ.
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.
NUCLEAR CHANGES What is Radioactivity?. What happens when an element undergoes radioactive decay? During radioactive decay an unstable nuclei of an isotope.
Nuclear Decay. Radioactivity The emission of high-energy radiation or particles from the nucleus of a radioactive atom.
Nuclear Chemistry. The Atom The atom consists of two parts: 1. The nucleus which contains: 2. Orbiting electrons. protons neutrons.
Nuclear Radiation Half-Life. What is Radiation? Penetrating rays and particles emitted by a radioactive source Result of a nuclear reaction! –Involves.
Radiation Radiation: The process of emitting energy in the form of waves or particles. Where does radiation come from? Radiation is generally produced.
Chapter TED:Radioactivity-Expect the Unexpected by Steve Weatherall https://youtu.be/TJgc28csgV0?list=PL hDvDlD3b85zmvERO_rSSUj3FVWScEA _X.
Nuclear Energy Radioactivity and Half-Life FissionFusion.
Nuclear videos What is radiation? https://www.youtube.com/watch?v=Zw0pHT47AAU&feature=youtu.be Types of radiation- veritasium https://www.youtube.com/watch?v=tYmMtSWPQEI&feature=youtu.be.
QOTD What is nuclear energy? 3-5 sentences.
Nuclear Chemistry Chemistry Ms.Piela.
Nuclear Chemistry. ATOMIC REVIEW: Atomic number = # of protons # of neutrons = mass # - atomic # protons & neutrons are in the nucleus.
Isotopes and Nuclear Reactions
What is radioactivity? lecture 9.1 Gamma ray bursts from a star collapsing into a Black Hole.
Nuclear / Subatomic Physics Physics – Chapter 25 (Holt)
Nuclear Chemistry. Two main forces in nucleus Strong nuclear force—all nuclear particles attract each other Electric forces—protons repulse each other.
Chapter 9 Nuclear Chemistry. What is nuclear chemistry? Nuclear chemistry is all about what happens in the nucleus of an atom. In nuclear chemistry, neutrons.
Nuclear Chemistry The Atom The atom consists of two parts: 1. The nucleus which contains: 2. Orbiting electrons. protons neutrons Multiple nuclei is.
Hurricane. What is it? Nuclear Energy is the energy stored in holding the nucleus of an atom together. Protons naturally repel each other. Truckee.
Nuclear Radiation > Nuclear Radiation & Transformations.
Nuclear Changes Thermodynamics. Three Types: 1. Radioactive Decay- Atoms emit high energy particles and waves as they change into new less reactive.
Aim: Why do fission and fusion reactions release so much energy? Essential Questions : Compare and contrast nuclear fission with fusion. Distinguish between.
From Isotopes to the sun…. The structure of the atom A=P=E Isotopes Isotopic notation.
Nuclear radiation. What do we mean by Radioactivity? Radioactive decay is the process in which an unstable atomic nucleus loses energy by emitting radiation.
Nuclear Chemistry Objective: To explain the process of radioactive decay using nuclear equations and half life Essential Question: How do unstable (radioactive)
Chapter 22 – Nuclear Chemistry
Nuclear Chemistry. Nuclear Chemistry looks at the number of protons and neutrons in an atom Radioactive Decay = Spontaneous disintegration of a nucleus.
3-4 Changes in the Nucleus
1 This is Jeopardy Nuclear Chemistry 2 Category No. 1 Category No. 2 Category No. 3 Category No. 4 Category No Final Jeopardy.
Nuclear Chemistry Chapter 25. What do you think of when you hear Nuclear Chemistry?
Alpha Decay A Helium- 4 nucleus (two protons and two neutrons). Is produced by nuclear fission Massive nucleus breaks apart into two less-massive nuclei.
Nuclear Chemistry. The study of reactions that take place in the nucleii of atoms.
Nuclear Chemistry The weird world of the nucleus.
Radioactivity Nucleus – center of the atom containing protons and neutrons –How are the protons and neutrons held together? Strong Force - an attractive.
Chapter 25 Nuclear Chemistry
Atomic Number & Mass Number Atomic number = the number of protons Mass number = the number of nucleons (protons & neutrons) A neutral atom has the same.
Fundamental Forces of the Universe
NUCLEAR CHEMISTRY Chapter 20. Nuclear Chemistry Radioactivity is the emission of subatomic particles or high- energy electromagnetic radiation by the.
Gamma Decay. Radioactive Decay Alpha Decay Radioactive Decay Alpha Decay Beta Decay.
CHAPTER 22 Nuclear Chemistry
Chapter 31: Nuclear Physics and Radioactivity
Nuclear Radiation 9.2. The Nucleus Protons and neutrons Charge of electrons and protons – x C = e –Proton +e –Electron -e.
TOPIC: RadioactivityTOPIC: Radioactivity & Natural Transmuations Do Now: Where on your reference table can you find radioactive particles?
N OTES N UCLEAR C HEMISTRY S TABLE VS U NSTABLE.
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