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- Ceramics (15941 bytes)
7: ...anything from earthenware and porcelain to decorative tiles and modern sculptures, reflecting both fun...
10: ...nd 6,000 years ago was a significant advancement, leading to more uniform and sophisticated designs.
23: ...he pottery is fired in a kiln, providing a decorative, waterproof finish.
36: ...igns that would be impossible to achieve by hand, leading to new possibilities in form and texture.
46: The word '''''ceramic''''' is derived from the [[Greek language|Greek]] word Κ&... - Glass (26176 bytes)
1: ... molten material cools very rapidly, thereby not giving enough time for a regular [[crystal]] lattice ...
5: ... in common use as a building, container or decorative material.
9: ...d impervious surfaces. These desirable properties lead to a great many uses of glass. Glass is, however,...
13: ...''Common glass''' is mostly amorphous [[silicon dioxide]] ([[Silicon|Si]][[Oxygen|O]]<sub>2</sub>), which...
22: ...n [[fibre optic]] cables. Individual fibers are given an equally transparent cladding of SiO<sub>2</s... - Illuminated manuscript (5973 bytes)
3: ...any areas and time periods, they are the only surviving examples of painting.
18: ...specially in the [[British Isles]], where distinctive scripts such as [[insular majuscule]] and [[insu...
32: ...lors such as [[cochineal]] and [[kermes]]; [[iron oxide]]-rich earth compounds
44: ... [[Lead]] white (also called "flake white", basic lead carbonate (PbCO<sub>3</sub>)); [[chalk]]
47: ...[[lamp black]], [[charcoal]], or burnt bones or [[ivory]]; [[sepia]]; [[iron gall]] - Grover Cleveland (20963 bytes)
25: [[Thomas A. Hendricks]] ([[1885]], [[List of leaders who died in office|died in office]])<br>
29: ...an]] political domination between the [[American Civil War]] and the election of [[Woodrow Wilson]] in...
36: ...h the young [[Theodore Roosevelt]], at the time a leader of reform-minded Republicans in the New York le...
40: ...The campaign was one of the most vicious and negative up to that time. The Republicans claimed that Cl...
46: ... hundreds of private pension bills to [[American Civil War]] veterans whose claims were fraudulent. Wh... - Capacitor (29664 bytes)
7: ... an opposite charge. These two plates are conductive and are separated by an [[insulator]] or ''[[die...
9: ... electrons in the molecules shift toward the positively charged left plate. The molecules then create...
13: ...arge|charge]] (''Q'') stored on each plate for a given [[potential difference]] or ''voltage'' (''V'')...
18: ...e plates. It is also proportional to the [[permittivity]] of the [[dielectric]] (that is, non-[[electr...
22: ...itor, and therefore the electric field. This is given by: - Chemical element (8169 bytes)
1: ...ply '''element''', is a substance that cannot be divided or changed into different substances by ordin...
3: ...nts are [[radioactive]] and in undergoing radioactive decay transmute into a different element.
7: ...ents are radioactive with short [[half-life|half-lives]] so that any that were present at the formatio...
11: ...ese are called [[allotropy|allotropes]], irrespective of the state.
17: ...f an element is not capitalized, even if it is derived from a proper noun (unless it would be capitali... - Climate change (15859 bytes)
1: ... be caused both by natural forces and by human activities.
8: ...thropogenic factors (those attributed to human activities).
13: ...ably caused by [[solar variation]] or volcanic activity or a combination of the two.
23: ... Period"]). See also the discussion at [[carbon dioxide]].
26: ...mission by Type.png|thumb|right|Global [[carbon dioxide]] emissions.]] - Antimony (9093 bytes)
12: ...[Periodic table (standard)|Full table]]</small></div>
48: | [[Oxidation state]]s ([[Oxide]]) || ?3, 5 (mildly [[acid]]ic)
74: | [[Electronegativity]] || 2.05 ([[Pauling scale]])
79: | [[Electrical conductivity]] || 2.88 10<sup>6</sup>/(m?[[ohm]])
81: | [[Thermal conductivity]] - Arsenic (12497 bytes)
12: ...[Periodic table (standard)|Full table]]</small></div>
47: | [[Oxidation state]]s ([[Oxide]]) || '''+-3''',5 (mildly [[acid]]ic)
73: | [[Electronegativity]] || 2.18 ([[Pauling scale]])
78: | [[Electrical conductivity]] || 3.45 10<sup>6</sup>/(m?[[ohm]])
80: | [[Thermal conductivity]] - Barium (8466 bytes)
13: ...[Periodic table (standard)|Full table]]</small></div>
48: | [[Oxidation state]]s ([[Oxide]])
75: | [[Electronegativity]] || 0.89([[Pauling scale]])
80: | [[Electrical conductivity]] || 3 10<sup>6</sup>/m [[ohm]]
82: | [[Thermal conductivity]] - Beryllium (15119 bytes)
11: ...[Periodic table (standard)|Full table]]</small></div>
51: | [[Oxidation state]]s ([[Oxide]])
85: | [[Electronegativity]]
91: | [[Electrical conductivity]]
94: | [[Thermal conductivity]] - Bismuth (9188 bytes)
7: | colspan="2" align="center" | [[lead]] - '''bismuth''' - [[polonium]]
13: ...[Periodic table (standard)|Full table]]</small></div>
53: | [[Oxidation state]]s ([[Oxide]])
87: | [[Electronegativity]]
93: | [[Electrical conductivity]] - Bromine (8073 bytes)
10: ...[Periodic table (standard)|Full table]]</small></div>
50: | [[Oxidation state]]s ([[Oxide]])
84: | [[Electronegativity]]
90: | [[Electrical conductivity]]
93: | [[Thermal conductivity]] - Cadmium (10755 bytes)
11: ...[Periodic table (standard)|Full table]]</small></div>
51: | [[Oxidation state]]s ([[Oxide]])
85: | [[Electronegativity]]
91: | [[Electrical conductivity]]
94: | [[Thermal conductivity]] - Calcium (9166 bytes)
9: ...[Periodic table (standard)|Full table]]</small></div></td></tr>
39: <td>[[Oxidation state]]s ([[Oxide]]) </td><td>2 (strong [[Base (chem...
62: <td>[[Electronegativity]] </td><td>1.00 ([[P...
66: <td>[[Electrical conductivity]] </td><td>29.8 10<sup>6</...
68: <td>[[Thermal conductivity]] </td><td>201 [[watt p... - Carbon (15360 bytes)
6: * [[fullerene|fullerenes]]. Structure: comparatively large molecules formed completely of carbon bo...
19: ...ope]] [[carbon-14]] is commonly used in [[radioactive dating]].
24: ...rticles ([[helium]] nuclei) to be produced. The universe initially expanded and cooled too fast for th...
27: ...ny synthetic substances, many of which are collectively called [[plastic]]s.
31: ...ome smoke detectors use tiny amounts of a radioactive isotope of carbon as source of [[ionizing radiat... - Chromium (13677 bytes)
9: ...[Periodic table (standard)|Full table]]</small></div> </table>
36: <td>[[Oxidation state]]s ([[Oxide]]) </td><td>6,'''3''',2 (strong ...
64: <td>[[Electronegativity]] </td><td>1.66 ([[...
68: <td>[[Electrical conductivity]] </td><td>7.74 10<sup>6<...
70: <td>[[Thermal conductivity]] </td><td> 93.7 [[wat... - Cobalt (13481 bytes)
9: ...[Periodic table (standard)|Full table]]</small></div> </table>
38: <td>[[Oxidation state]]s ([[Oxide]]) </td><td>'''2''',3 (amphoteric...
61: <td>[[Electronegativity]] </td><td>1.88 ([[...
65: <td>[[Electrical conductivity]] </td><td>17.2 [[siemens...
67: <td>[[Thermal conductivity]] </td><td> 100 [[watt... - Copper (13595 bytes)
11: ...[Periodic table (standard)|Full table]]</small></div>
51: | [[Oxidation state]]s ([[Oxide]])
85: | [[Electronegativity]]
91: | [[Electrical conductivity]]
94: | [[Thermal conductivity]] - Europium (8579 bytes)
10: ...[Periodic table (standard)|Full table]]</small></div>
50: | [[Oxidation state]]s ([[Oxide]])
84: | [[Electronegativity]]
90: | [[Electrical conductivity]]
93: | [[Thermal conductivity]]
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