'Radioactivity' presentation slideshows

Atoms and Elements Chapter 4

Atoms and Elements Chapter 4. Tro, 2 nd ed. ELEMENTS AND ATOMS. All known substances on Earth and probably the universe are formed by combinations of more than 100 elements.

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Atoms and Elements Chapter 4

Atoms and Elements Chapter 4. Tro, 2 nd ed. ELEMENTS AND ATOMS. All known substances on Earth and probably the universe are formed by combinations of more than 100 elements.

940 views • 69 slides

Dynamic Earth

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What element has 65 protons?

What element has 65 protons?. What element has atomic number 65?. What element has 44 protons and 44 electrons?. What element has 21 protons?. What isotope has 34 protons and 26 neutrons?. Give the symbol for magnesium 24.

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ENV-5022B / ENVK5023B Low Carbon Energy 2014 - 15

N.K. Tovey ( ??? ) M.A, PhD, CEng, MICE, CEnv ?.?.???? ?.?., ?-? ??????????? ????. ENV-5022B / ENVK5023B Low Carbon Energy 2014 - 15. NUCLEAR POWER. http://www2.env.uea.ac.uk/energy/energy.htm http://www.uea.ac.uk/~e680/energy/energy.htm.

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Methods for Estimating the Age of the Earth

Methods for Estimating the Age of the Earth. Fossils and evolution Rates of deposition of sediments Cooling of the Earth from a molten state Radiometric Dating. Radiometric Dating of Rocks. 1896-1898 Radioactivity discovered by: Henri Becquerel and Marie and Pierre Curie.

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Radioactive and Electromagnetic Pollution

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Lecture 9.3: Nuclear Energy

Lecture 9.3: Nuclear Energy . Chapter 12. Changes in the nucleus. Radioactivity spontaneous emission of radiation from nucleus 3 types of radiation Alpha Beta Gamma. Distinguish them by their charge, mass, and penetrating power. Nuclear Decay. Alpha Decay Helium Nucleus.

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CHAPTER 3.4 & 24.1 Nuclear Chemistry

CHAPTER 3.4 & 24.1 Nuclear Chemistry. Radioactivity. Radiation. Radiation : The process of emitting energy in the form of waves or particles. Where does radiation come from?

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Nuclear Chemistry

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. The number of protons and neutrons together is effectively the mass of the atom. Isotopes.

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The nuclear Atom

The nuclear Atom. Nuclear Chemistry. Radioactivity. Not all atoms are stable. Unstable atoms break down and give off energy to become more stable. These atoms are referred to as RADIOISOTOPES . The energy and particles that are given off when radioisotopes break down are called radiation .

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Nuclear Radiation

Nuclear Radiation. Nuclear Radiation. Nucleus has protons (+ charge) and neutrons (no charge). Electrons are not in the nucleus and do not influence nuclear processes. Isotopes.

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Earth Systems 3209

Earth Systems 3209. Reference: Chapters 6, 8; Appendix A & B. Unit: 2 Historical Geology . Unit 2: Topic 2.4. Absolute Time and Radioactivity. Focus on . . . defining terminology related to radioactivity.

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The four forces of nature

The four forces of nature. Gravity, electromagnetism, Strong nuclear, and weak nuclear. Presented By: Brittany Kach and Julia Angotti. Gravity. Gravity is the force that pulls all objects in the universe towards each other.

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John Daltons Atomic Theory

John Daltons Atomic Theory. All matter is composed of small particles called atoms All atoms of a given element are a like Compounds are formed when different atoms combine in fixed proportions A chemical reaction involves the rearrangement of atoms. Development of the Atom.

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Warm Up November 20 , 2013

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Radiation

Radiation. The emission of energetic particles The study of it and the processes that produce it is called nuclear chemistry. Unlike the chemistry we have studied to this point, nuclear chemistry often results in one element changing into another one. Tragedy. April 26, 1986, 1:24 am

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Absolute Age

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Discovery of the Nucleus Protons and Neutrons

Discovery of the Nucleus Protons and Neutrons. Who were they?. Ernest Rutherford is a physicist who won the N obel Prize for chemistry. He discovered the concept of radioactive half-life and theorized that atoms have their charge concentrated in a very small nucleus.

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