'Stable elements' presentation slideshows

Alchemy Unit

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Chapter 1 Chemical Bonding

Chapter 1 Chemical Bonding. All matter is made up of atoms . Atoms are the basic building blocks of all the substances in the universe. Elements are substances made of only one kind of atom. There are 109 naturally occurring elements in the universe. .

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Stellar Explosions

Stellar Explosions. Star Ch. 21: Novae, Supernovae, and the Formation of the Elements. Standards. Understand the scale and contents of the universe, including stars.

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Chapter 13

Chapter 13. Reacting Mixtures and Combustion. Photo courtesy of www.freefoto.com. Fundamentals. Chemical Equations:. Modeling Air:. 79% Nitrogen, 21% Oxygen Only the Oxygen reacts: Nitrogen considered inert M air = 28.97 kg/kmol or lb/lbmol (Tables A-1). Air Fuel Ratio:.

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Chapter 17

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Aim : How do scientists read rocks for an exact age ?

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Indicator

Indicator. Explaining the tendency of an element to stable. Writing the arrangement of valence electron of noble gas (duplet and octet) and the valence of electron of non noble gas.

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The Changing Earth

The Changing Earth. Understanding Earth. Absolute dating - is the process of determining an approximate computed age in archaeology and geology. provides a computed numerical age. Radioactive Dating. All rocks and minerals contain tiny amounts of radioactive elements

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Nuclear chemistry

Nuclear chemistry. Artificial Transmutations. Radioactive decay occurs naturally in many elements. Alpha, beta and positron decay all occur naturally, (with out any help from humans) because many elements are naturally unstable. Can normally stable elements be made to decay?.

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Lecture 4b

Lecture 4b. Mass Spectrometry. History . J. J. Thompson was able to separate two neon isotopes ( Ne-20 and Ne-22 ) in 1913, which was the first evidence that isotopes exist for stable elements (Noble Prize 1906 in Physics, Discovery of the electron in 1897)

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Family Groups in Periodic Table

Family Groups in Periodic Table. Family Groups. There are 8 Family Groups in all The members of each Family Group have similar traits. Group number refers to the number of valence electrons (valence e - = outer shell e - ). Groups. Group 1 Alkali Metals.

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Rocks & Time

Rocks & Time. Your Goals. You should be able to : Define an isotope (Level 1-2 ) Describe the method used determine the age of rocks and fossils (Level 3-4) Explain how the composition of the rock and fossil allow scientists to determine their age (Level 5-6). Vocabulary.

216 views • 8 slides

Localized Key-Finding: Algorithms and Applications

Localized Key-Finding: Algorithms and Applications. Ilya Shmulevich, Olli Yli-Harja Tampere University of Technology Tampere, Finland October 4, 1999. Outline. Review of key-finding algorithms Median-based filters Graph-based smoothing of class data

159 views • 6 slides