'8th element' diaporamas de présentation

PSC Chap. 4

PSC Chap. 4. The Periodic Table. In modern periodic table, elements in the same column have similar properties. John Newlands - Law of Octaves. arranged first 16 elements in order of atomic mass found that similar properties were found every 8 th element.

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The Periodic Table

The Periodic Table . History of the Periodic Table:. Prior to 1650, there were 11 known elements: Ag, As, Au, C, Cu, Fe, Hg, Pb , S, Sb , Sn By 1800 , about 30 elements were known By 1850 , about 60 elements were known By 1900 , about 80 elements were known

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Section 2.1

Section 2.1. Algorithms. Algorithm. A finite set of precise instructions for performing a computation or for solving a problem. Properties of an Algorithm. Input: values from a specified (finite) set Output: solution to problem for specified set

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Development of the Periodic Table

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The Periodic Table

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