'Metalloids' diaporamas de présentation

Chapter 2

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Of Atoms, Molecules & Ions I Sing

Of Atoms, Molecules & Ions I Sing. The Foundations of Chemistry. Atomic Structure. We defined chemistry as the study of the physical and chemical properties of materials.

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Chapter 2

Chapter 2. Atoms, Molecules, and Ions. History. Greeks Democritus and Leucippus - atomos Aristotle- elements. Alchemy 1660 - Robert Boyle- experimental definition of element. Lavoisier- Father of modern chemistry. He wrote the book. Laws. Conservation of Mass

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Atomic Structure

Atomic Structure. The Wave Nature of Light. All waves have a characteristic wavelength, l , and amplitude, A . Frequency, n , of a wave is the number of cycles which pass a point in one second. Speed of a wave, c, is given by its frequency multiplied by its wavelength:

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The Periodic Table of Elements

The Periodic Table of Elements. Element. A pure substance made up of one kind of atom that cannot be broken down into simpler substances by physical or chemical means 90 occur naturally on earth 25 were synthesized (made) by scientists. Element Song.

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Chapter 19

Chapter 19. Elements and their Properties. 19-1: Metals. Metals (on the left of the stair-step line) Usually have common properties Good conductors of heat and electricity Have luster = reflect light Are malleable = can be hammered or rolled into sheets Are ductile = drawn into wires

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Wednesday!! Tour of the Periodic Table

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Reading the Periodic Table

Reading the Periodic Table. A way of organizing & classifying elements. Arranged in rows and columns. Columns. The vertical (up and down) columns of the periodic table (there are 18) are called groups or families .

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Reading the Periodic Table

Reading the Periodic Table. A way of organizing & classifying elements. Arranged in rows and columns. Columns. The vertical (up and down) columns of the periodic table (there are 18) are called groups or families .

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METALS, NONMETALS, METALLOIDS, & NOBLE GASES

METALS, NONMETALS, METALLOIDS, & NOBLE GASES. FOUR SECTION FOLDABLE ADVANCED ORGANIZER. PROPERTIES OF METALS. Most elements are metals Metals are located left of the Zig Zag line Metals have few electrons in their outer energy level

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Periodic Table

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How did chemists begin to organize the known elements?

6.1. How did chemists begin to organize the known elements?. Chemists used the properties of elements to sort them into groups Chlorine, bromine, and iodine have very similar chemical properties. (Dobereiner, 1829). 6.1. Metals, Nonmetals, and Metalloids.

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Physical Science

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Electron Configuration & The Periodic Table

Electron Configuration & The Periodic Table. Unit 8, Chapter 5. Dmitri Mendeleev. A Russian chemist who hoped to organize the elements according to their atomic mass and properties

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Periodic Table Notes

An element is made up of only one pure substance, and a compound is composed of two or more elements that are chemically combined. Periodic Table Notes. Gold. http://www.worldofrockhounds.com/huge-gold-nugget-sm.JPG. Water. http://www.nbmg.unr.edu/slides/water/5.htm.

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Warm Up Dec. 2 nd , 2013

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Chapter 19

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Periodic Table Information

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