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  2. Flame test - Wikipedia

    en.wikipedia.org/wiki/Flame_test

    Some elements emit weakly and others (Na) very strongly. Gold, silver, platinum, palladium, and a number of other elements do not produce a characteristic flame color, although some may produce sparks (as do metallic titanium and iron); salts of beryllium and gold reportedly deposit pure metal on cooling. [12] The test is highly subjective.

  3. All elements test - Wikipedia

    en.wikipedia.org/wiki/All_elements_test

    The all elements rule or all limitations rule (often written with a hyphen after "all") is a legal test used in US patent law to determine whether a given reference shows that a patent claim [1] lacks the novelty required to be valid. The rule is also applicable to an obviousness analysis. [2]

  4. Dominant Factor Test - Wikipedia

    en.wikipedia.org/wiki/Dominant_Factor_Test

    The test is not whether the game contains an element of chance or an element of skill but which of them is the dominating factor in determining the result of the game. [ 2 ] The principle is currently the basis for numerous litigation cases around the United States as it relates to poker .

  5. File:Example.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Example.pdf

    This work is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation; either version 3 of the License, or any later version. This work is distributed in the hope that it will be useful, but without any warranty; without even the implied ...

  6. Indispensable element test - Wikipedia

    en.wikipedia.org/wiki/Indispensable_element_test

    The indispensable element test is a standard for distinguishing preparation and attempt in a criminal case. [ 1 ] : 683 A person who does every act needed to commit a crime, except for one necessary or indispensable element, is not guilty of having made an attempt .

  7. Two-line element set - Wikipedia

    en.wikipedia.org/wiki/Two-line_element_set

    A two-line element set (TLE, or more rarely 2LE) or three-line element set (3LE) is a data format encoding a list of orbital elements of an Earth-orbiting object for a given point in time, the epoch. Using a suitable prediction formula, the state (position and velocity) at any point in the past or future can be estimated to some accuracy.

  8. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Elements in the same group tend to show similar chemical characteristics. Vertical, horizontal and diagonal trends characterize the periodic table. Metallic character increases going down a group and from right to left across a period. Nonmetallic character increases going from the bottom left of the periodic table to the top right.

  9. Abundance of elements in Earth's crust - Wikipedia

    en.wikipedia.org/wiki/Abundance_of_elements_in...

    Abundance (atom fraction) of the chemical elements in Earth's upper continental crust as a function of atomic number; [5] siderophiles shown in yellow Graphs of abundance against atomic number can reveal patterns relating abundance to stellar nucleosynthesis and geochemistry.