Periodic table
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The periodic table was developed by Russian chemist Dmitri Mendeleev. He organized the known elements into a table based on their chemical properties and predicted properties of elements not yet discovered. The periodic table arranges elements in vertical columns called groups based on their chemical properties and horizontal rows called periods from left to right by increasing atomic number. Metals are on the left, nonmetals on the right, and metalloids in the middle. Examples of elements and their uses include copper for wiring and plumbing, silver for tableware and batteries, and mercury for thermometers.
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This document provides an overview of metallurgy concepts relevant to orthodontics. It discusses the history and evolution of metals used in orthodontics, from gold and platinum historically to more recent alloys like stainless steel and nickel titanium. It also covers metallurgical topics like crystal structure, defects, phase transformations, and how processes like annealing and corrosion impact material properties. A key aim is relating the atomic structure of metals to their macroscopic characteristics for orthodontic applications like archwires.
Metals-and-Non-metals.ppt
The document provides information about the periodic table of elements and the properties of metals, nonmetals, and metalloids. It states that the periodic table organizes the 118 known elements and can provide information about each element. It describes the properties of metals including their malleability, conductivity, and reaction with oxygen, water and acids. Nonmetals are described as brittle, poor conductors with low melting points that react differently with oxygen and acids compared to metals. Metalloids share some properties of both metals and nonmetals.
metals-and-non-metals.ppt
The document provides information about the periodic table of elements and the properties of metals, nonmetals, and metalloids. It states that the periodic table organizes the 118 known elements and can provide information about each element. It describes the properties of metals such as being solid, malleable, ductile, and good conductors of heat and electricity. Nonmetals are described as sometimes being gases, brittle, and poor conductors. Metalloids display properties of both metals and nonmetals. Chemical reactions of metals and nonmetals are also summarized.
Similar to Periodic table (20)
Chemistry Notes the Periodic Table powerpoint.pptx
Chemistry Notes the Periodic Table powerpoint.pptx
Periodic table
- 1. Periodic Table Shelby Mikkelsen Period 6
- 2. Who developed the Periodic Table? • Dmitri Mendeleev • Russian chemist and inventor • He found a new way of organizing all the elements. Using his table he predicted the properties of elements yet to be discovered
- 3. How is it Organized?
- 4. How is it Organized? • Groups - Vertical columns, organized by their chemical properties. • Periods - Horizontal rows, from left to right by the increasing atomic number. • Metals - On the left • Non-metals on the right • Metalloids - in the middle
- 5. How is it Organized?
- 8. Period
- 9. Period
- 10. Groups Period
- 13. Metals and Nonmetals Metals
- 14. Metals and Nonmetals Metals
- 15. Metals and Nonmetals Nonmetals Metals
- 16. Metalloids
- 17. Metalloids
- 18. Metalloids
- 19. Metalloids
- 20. Metalloids
- 21. Metalloids
- 22. Metalloids
- 23. Metalloids
- 24. Metalloids Metalloids
- 25. 3 Examples
- 26. Cu • Name - Copper • Atomic number - 29 • Element symbol - Cu • Atomic Mass - 63.546 • Examples. Its used for multi-media, communications with wiring, and plumbing.
- 27. Copper
- 28. Ag • Name - Silver • Atomic number - 47 • Element symbol - Ag • Atomic Mass -107. 8682 • Examples. We use it for tableware, jewelry, batteries, mirrors, coins, and photography.
- 29. Silver
- 30. Hg • Name - Mercury • Atomic number - 80 • Element symbol - Hg • Atomic Mass - 200. 59 • Examples. We use mercury for thermometers, barometers, filling for teeth, and electrical switches.
- 31. Mercury
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