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Atomic physics

Campbell Biology Chapter 2

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Chemistry
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Chemical bonding
Quantum chemistry
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Atomic physics
Covalent bond
Chemical bond
Ionic bonding
Valence electron
Molecule
Lewis structure

? 2017 Pearson Education, Inc. Lecture Presentations byNicole Tunbridge and Kathleen Fitzpatrick Chapter 2The Chemical Context of Life 1 A Chemical Connection to Biology Biology is the study of life Organisms and their environments are subject to basic laws of physics and chemistry One example is the use of formic acid by ants to protect themselves against predators and microbial parasites ? 2017 Pearson Education, Inc. 2 Concept 2.1: Matter consists of chemical elements in pure form and in combinations called compounds Organisms are composed of matter Matter is anything that takes up space and has mass ? 2017 Pearson Education, Inc. 3 Elements and Compounds Matter is made up of elements An element is a substance that cannot be broken down to other substances by chemical reactions

Periodic Table Notes

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Block
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Electrical resistivity and conductivity
Atom
Halogen

Trends: 1. Across? ?the? ?period ? There? ?is? ?a? ?general? ?decrease? ?in? ?atomic? ?radius? ?across? ?the? ?period. - Across? ?a? ?period,? ?proton? ?number? ?increases? ?and? ?electrons? ?are? ?being? ?added? ?to? ?the? ?same? ?outermost principal? ?quantum? ?shell - Forces? ?of? ?attraction? ?between? ?the? ?valence? ?electron? ?and? ?nucleus? ?increases? ?as? ?nucleus? ?becomes more? ?positively? ?charged - Distance? ?between? ?the? ?valence? ?electron? ?and? ?nucleus? ?decreases. 2. Down? ?the? ?group ? There? ?is? ?a? ?general? ?increase? ?in? ?atomic? ?radius? ?down? ?the? ?group - Number? ?of? ?filled? ?principal? ?quantum? ?shell? ?increases

Electron configurations and Lewis dot structures quiz

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Name: Electron Configurations and Lewis Dot Structures Quiz Which is the correct ground state electron configuration for Fluorine? 1s22s22p5 1s22s22p2 1s22s22p4 1s22s22p1 Which is the correct ground state electron configuration for Neon? 1s22s22p63s1 1s22s22p5 1s22s22p43s1 1s22s22p6 The full electron configuration for an element is 1s22s22p63s1 . What element is this? What is this elements symbol on the periodic table How many valence electrons does this element have? Draw Lewis Dot Structures for the following elements C N O F Ne Si S P Cl Ar Based on the Lewis Dot Structures you drew in question 4 explain what relationship (if any) you notice between the group number and the number of valence electrons.

General Knowledge of the Elements

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Properties of metals, metalloids and nonmetals
Ten Most Abundant Elements in the Earth’s Crust 1. Oxygen 2. Silicon 3. Aluminum 4. Iron 5. Calcium 6. Sodium 7. Potassium 8. Magnesium 9. Titanium 10. Hydrogen General Element Knowledge 1. Good Conductor of Electricty — Copper 2. Diatomic elements — Halogens 3. Reactions based on ns2 valence shell — Alkaline earth metals 4. Most important commercial metal (after iron) — Aluminum 5. Used in wires — Copper 6. Soft, silvery metals — Alkali metals 7. Found as corundum (rubies, sapphires) — Aluminum 8. Allotrope — Aluminum 9. Cathode in Batteries — Lead 10. ? + Copper = Bronze — Tin 11. Fertilizer — Potassium 12. Ceramic found on spark plugs — Aluminum 13. Water treatment/antacids — Calcium 14. Detergents and bleach — Sodium 15. Carrying oxygen in blood — Iron
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