'8 electrons' diaporamas de présentation

Lecture 3 : How Matter is Organized

Lecture 3 : How Matter is Organized. Chemistry is the science of the structure and interactions of matter. all living things consist of matter. Matter is anything that occupies space. mass is the amount of matter in any object. weight is the force of gravity acting on matter.

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Unit 3

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Chemical Bonding

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ELECTRICITY

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Electron Configuration

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Chapter 5

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Bohr Diagrams

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Electrons

Electrons. Chemistry Dr. May. Atomic Inventory. Protons (Atomic Number) Neutrons (Atomic Mass minus Protons) Electrons (Same number as protons). Atomic Particles. nucleus. 1. + 1. nucleus. 1. 0. ? 1. cloud. 0. Electron Function.

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Atomic Theory Class #1

Atomic Theory Class #1. Penny Lab ASAP. Check your grades! OB: Students will examine basic structure of the atom, learn what the numbers on the Periodic table mean, and look at electron orbitals. Take out your WHITE periodic tables now.

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Bohr-Rutherford Diagrams

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Do Now

Do Now. Which answer represents a compound? He Br NaCl U. Which answer represents a salt? C 6 H 12 O 6 CaBr 2 Fe CH 3 COOH. Chemical Bonding, Part 2. Williamsburg High School for Architecture and Design Mr. Quinn and Ms. Tom 11/13/13. Aim. Can all atoms satisfy the Octet Rule?.

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Chapter 4 Review

Chapter 4 Review. Formation of Compounds. Ionic Bonds Two elements combine by transfer of electrons. Usually a metal and a nonmetal #of ions involved depends upon the charge on each ion Made of a metal ion and a nonmetal ion. (Easiest way to identify them.) Particles called Formula Units.

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Periodic Table & Electrons

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Elements

Elements. Pg 204-208. Elements. Element: __________________________________________________________________________ The number of __________ is something unique and therefore a characteristic property The number of ___________ can differ for each element

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Electron Distribution in Molecules

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Niels Bohr

Visible Hydrogen Spectrum Resulting from the Excitation of H Atoms Wavelength 409 nm 433 nm 485 nm 655 nm . Niels Bohr. Interested in how the electrons moved around the nucleus.

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How to Make a Bohr Model

How to Make a Bohr Model. Bohr Diagrams. 1. Find the element on the periodic table. 2. Determine the number of electrons- it is the same as the atomic number. 3. This is how many electrons you will draw. Find out which period (row) your element is in.

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Noble Gas Notation

Noble Gas Notation. A shorthand method of writing electron configuration. Noble Gases. ? group 18 elements Noble gas configuration?the outer main energy level is fully occupied by 8 electrons. Steps to Write a Noble Gas Notation. write down the symbol of the preceding noble gas (last column)

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MOLECULAR STRUCTURES

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