'Group 17 halogens' presentation slideshows

The Periodic Chart

The Periodic Chart. From then to Now. The History. 1669-Henning Brand discovered Phosphorus 1680-Robert Boyle rediscovered Phosphorus 1789-Lavosier wrote the 1st chemistry text 1809-There were 47 known elements 1862-Beguyer deChancourtois noticed periodicity

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Chemistry Chapter 5

Chemistry Chapter 5. The Periodic Law. History of the Periodic Table. Stanislao Cannizzaro In 1860 he presented a method of accurately measuring the relative mass of an atom at the 1 st International Congress of Chemists.

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Ch 12 The Periodic Table

Ch 12 The Periodic Table. 12 Arranging the Elements. Discovering a Pattern. Dmitri Mendeleev discovered a __________ to the elements in _____. First he wrote the ________________________ of the elements on cards.

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Organization of the Periodic Table

Organization of the Periodic Table. Groups. By Ms Dobbs. Group 18 = Noble gases. also know as inert gases very unreactive -- No known stable compounds have been produced from He, Ne, Ar. Xe Kr, and Rn have extremely low reactively , and will form compounds under extreme conditions.

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Periodic Table and Configuration

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Periodic Table and Its Trends

Periodic Table and Its Trends. Looking for the pattern with the elements. Metals Non-Metals Lab. What we some of the physical properties? c hemical properties? What are the characteristics of metals? Non-metals? What are metalloids?. Periodic Table.

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Periodic Table of Elements

Periodic Table of Elements. Nonmetals. Nonmetals. Properties of nonmetals: Not shiny Not malleable (not bendable) Not ductile Poor conductors Atoms of almost all nonmetals have almost full outer shells. Group 17: Halogens. Properties of halogens 7 electrons in the outer shell

184 views • 5 slides