Periodic table Presentation
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The document provides an introduction to the periodic table. It explains that Dmitri Mendeleev discovered the periodic table and created it as a way to organize all the known chemical elements. The periodic table is organized with elements in vertical columns based on their properties and horizontal rows based on the number of outer electrons. Examples of three elements, fluorine, krypton, and rubidium are then described, including their atomic number, symbol, mass, discoverer, families, and some uses.
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Chapter - 5, Periodic Classification of Elements, Science, Class 10
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Interactive textbook ch. 12 periodic table
The document summarizes key aspects of the periodic table, including:
1) Mendeleev arranged elements on cards based on properties and discovered a repeating pattern when ordered by atomic mass, leading to the creation of the periodic table.
2) The periodic table shows elements arranged in order of atomic number and classified as metals, nonmetals, and metalloids, with metals having properties like conductivity.
3) The modern periodic table has rows called periods and columns called groups that show repeating trends in properties across and down the table.
Periodic table
The periodic table organizes the 118 known chemical elements. It arranges them by atomic number and properties, allowing scientists to predict elements' characteristics. Elements are substances made of only one type of atom, while compounds contain two or more elements chemically bonded together. The periodic table groups elements into blocks by the number of electrons in their outer shell, with metals generally on the left and nonmetals on the right. It provides a wealth of information about each element and their patterns of behavior.
The Periodic Table
The document summarizes the development of the periodic table of elements from early classifications by Dobereiner and Newlands to Mendeleev's and Meyer's published periodic tables to Moseley's establishment of the ordering by atomic number. It explains key periodic properties including atomic structure and trends in atomic size, and provides an overview of the layout and information contained in the modern periodic table.
Chapter 6 Periodic table
The document discusses the organization and structure of the periodic table. It describes how elements are arranged based on their atomic structure and properties. Elements are organized by increasing atomic number and grouped according to similar characteristics. The periodic table displays the symbols, names, atomic numbers and masses of each element.
Chapter 6 Periodic Table
The document discusses the organization and structure of the periodic table. It describes how elements are arranged based on their atomic structure and properties. Elements are organized by increasing atomic number and grouped according to similar characteristics. The periodic table displays the symbols, names, atomic numbers and masses of each element.
Chapter 4
This document provides an overview of how elements are organized in the periodic table. It discusses early classification systems developed by Newlands and Mendeleev and how Moseley later determined that atomic number, not atomic mass, is the basis for organization. Key periodic properties like valence electrons and how they determine chemical properties are explained. Finally, it gives a brief tour of different groups of elements and trends seen in the periodic table.
periodic table_sedgefield.ppt
This document provides an overview of the periodic table and periodic trends. It discusses how the periodic table is arranged and organized into periods and groups. Elements within the same group have similar properties because they have the same number of valence electrons. The location of an element on the periodic table can be used to predict its properties. The document also describes different types of elements, including metals, nonmetals, metalloids, and noble gases, and explains the trends in atomic structure that led to the development of the periodic table.
Periodic table
The periodic table organizes the elements and provides useful information to chemists. It was developed by Dmitri Mendeleev in the late 1800s by arranging elements in rows by atomic weight and columns by chemical properties. The modern periodic table arranges elements by atomic number and divides them into groups and periods that predict chemical and physical trends. The position of an element on the periodic table reveals its valence electrons and how it will bond and react.
Презентация по химии _Д.И.Менделеев и его великое открытие_ (на английском яз...
This document discusses Dmitri Mendeleev and the periodic table of elements. It provides biographical details of Mendeleev's life and career, including his development of the periodic table and periodic law. The purpose of the presentation is to acquaint students with the structure and laws of the periodic system. It describes the organization of the periodic table, including periods, groups, and trends in properties across and down the table. It also includes a quiz to test understanding of element names and their origins.
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periodic table of elements power point presentation
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Презентация по химии _Д.И.Менделеев и его великое открытие_ (на английском яз...
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Periodic table Presentation
- 1. Intro to the Periodic Table S am R us se ll - Pe ri od 1
- 2. Who discovered the Periodic Table? Dmitri Mendeleev
- 3. Why do We Have a Periodic Table? Wanted a way to organize all the elements Many elements were still undiscovered when Mendeleev was alive It helped predict what elements they could next Mendeleev’s Periodic Table
- 4. How is the Periodic Table Organized? Vertical columns are groups or families (elements in the same family are similar) Horizontal rows are periods (elements in the same period have the same number of outer orbit electrons)
- 5. How is the Periodic Table Organized? Metals Metalloids Nonmetals
- 6. What is the Relationship bet ween elements? Transition Post-transition metals Metalloids Other nonmetals Halogens Noble Gases metals Alkaline earth metals Alkali metals Lanthanoids Actinoids
- 7. Fluorine Atomic Number - 9 Element Symbol - F Atomic Mass - 18.99/19.00
- 8. Fluorine (continued) Discovered by Henri Moissan in 1886 In the Halogen family Fluoride is used for teeth cleaning products like toothpaste
- 9. Krypton Atomic Number - 36 Element Symbol - Kr Atomic Mass - 83.79/83.80
- 10. Krypton (continued) Discovered by Sir William Ramsey and M.W. Travers in 1898 Used in some photograph flashes .0001% Krypton in our atmosphere
- 11. Rubidium Atomic Number - 37 Element Symbol - Rb Atomic Mass - 85.46
- 12. Rubidium (continued) discovered by Gustav Kirchhoff and Robert Bunsen In the Alkali metals family Used in special glasses
- 13. Sources "Dynamic Periodic Table." Dynamic Periodic Table. N.p., n.d. Web. 22 Oct. 2012. <http://ptable.com/>. "The Element Krypton[Click for Isotope Data]." It's Elemental. N.p., n.d. Web. 22 Oct. 2012. <http://education.jlab.org/ itselemental/ele036.html>. "The Element Rubidium[Click for Isotope Data]." It's Elemental. N.p., n.d. Web. 22 Oct. 2012. <http://education.jlab.org/ itselemental/ele037.html>. "Fluorine Facts." About.com Chemistry. N.p., n.d. Web. 22 Oct. 2012. <http://chemistry.about.com/od/elementfacts/a/ fluorine.htm>. "Krypton Facts." About.com Chemistry. N.p., n.d. Web. 22 Oct. 2012. <http://chemistry.about.com/od/elementfacts/a/ krypton.htm>. "Periodic Table and the Elements." Chem4Kids.com: Elements & Periodic Table. N.p., n.d. Web. 22 Oct. 2012. <http:// www.chem4kids.com/files/elem_intro.html>. "Periodic Table of the Elements." Periodic Table. N.p., n.d. Web. 22 Oct. 2012. <http://chemistry.about.com/library/ blperiodictable.htm>
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