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\nThe Development of the Periodic Table: From Dalton to Mendeleev\n

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\nThe video discusses the history of the periodic table and how it was developed by various scientists over many years. It explains how atomic weights were initially used to organize the elements before the discovery of atomic number. It...\nThe video discusses the history of the periodic table and how it was developed by various scientists over many years. It explains how atomic weights were initially used to organize the elements before the discovery of atomic number. It also discusses the attempts made by scientists like John Dawson and John Evans to group elements based on their chemical properties. The video then delves into the contributions of Dmitri Mendeleev, who developed his periodic table by leaving gaps for undiscovered elements and reversing the order of certain elements to place them in groups with similar properties. The video concludes by mentioning the addition of the noble gases as Group 0 to the modern periodic table.\n
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Resource Details

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Curator Rating
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Educator Rating
Not yet Rated
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Media Length
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5:23
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Grade
Higher Ed
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nKnowMo Chemistry\n\n
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Date
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2018
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Language
English
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Audiences
For Teacher Use
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Usage Permissions
Fine Print: Educational Use
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Additional Materials

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\" data-title=\"Get Full Access\" data-container=\"body\" rel=\"popover\" tabindex=\"0\" href=\"/subscription/new\">Video Transcript\n
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Concepts

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atomic weight, chemical properties, scientists, mass, elements, years, substances, time, hydrogen, chlorine
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Additional Tags

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gcse, and, igcse, science, chemistry, aqa, snapshots, development, of, the, periodic, table, periodic table, atomic number, successive columns, number, listed, masses, horizontally, gaps, found, order, group, realize, start, discovery, experiments, note, line, groups, lined, fluorine
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Classroom Considerations

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Best For: Explaining a topic
Video is ad-free
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Educator Ratings

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