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- Sulfur (18059 bytes)
1: {{Elementbox_header | number=16 | symbol=S | name=sulfur | left=[[ph...
10: {{Elementbox_density_gpcm3nrt | (alpha) 2.08 }}
11: {{Elementbox_density_gpcm3nrt | (beta) 1.96 }}
12: {{Elementbox_density_gpcm3nrt | (gamma) 1.92 }}
13: {{Elementbox_densityliq_gpcm3mp | 1.819 }} - Tellurium (8984 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
4: {| align="center" border="0"
24: | [[Density]], [[Mohs hardness scale|Hardness]]
41: | [[van der Waals radius]]
50: | [[Oxidation state]]s ([[Oxide]]) - Thallium (12570 bytes)
2: <table border="1" cellpadding="2" cellspacing="0" align="right...
4: <table align="center" border="0">
21: <td>[[Density]], [[Mohs hardness scale|Hardness]] </td>...
33: <td>[[van der Waals radius]] </td><td>...
39: <td>[[Oxidation state]]s ([[Oxide]]) </td><td>3,'''1''' (mildly [[B... - Ununbium (2500 bytes)
1: {| border=1 cellpadding=2 cellspacing=0 align=right style=...
3: {| align=center border=0
33: ...|thumb|150px|left|Chemistry Clipart .Clipart provided by [http://classroomclipart.com Classroom Clip A...
40: ...w.webelements.com/webelements/elements/text/Uub/index.html WebElements.com - Ununbium] - Uranium (27752 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
4: {| align="center" border="0"
9: ...ign="center" | [[image:U-TableImage.png|Click for description]]
19: | [[Actinide]]s
24: | [[Density]], [[Mohs hardness scale|Hardness]] - Xenon (12457 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
4: {| align="center" border="0"
24: | [[Density]], [[Mohs hardness scale|Hardness]]
41: | [[van der Waals radius]]
50: | [[Oxidation state]]s ([[Oxide]]) - List of elements by name (7283 bytes)
3: ...thumb|150px|right|Chemistry Clipart .Clipart provided by [http://classroomclipart.com Classroom Clip A...
104: <tr><td>[[mendelevium]]</td><td>Md</td><td>101</td></tr>
106: <tr><td>[[molybdenum]]</td><td>Mo</td><td>42</td></tr> - Timeline of chemical element discovery (10490 bytes)
1: ...thumb|150px|right|Chemistry Clipart .Clipart provided by
22: *[[1450]] - [[Antimony]] first described by [[Tholden]]
34: *[[1753]] - [[Bismuth]] discovered by [[Claude Geoffroy Junine]]
42: *[[1776]] - [[Hydrogen]] isolated and described by [[Henry Cavendish]], named by [[Antoine...
43: *[[1778]] - [[Molybdenum]] was discovered [[Carl Wilhelm Scheele]] - Roman commerce (14626 bytes)
1: ... of their empire was due to their commercial [[trade]].
3: ...)|Equestrian]] order were involved in businesses, despite their upper class values that laid the empha...
5: ...cus]]. The abacus, using [[Roman numerals]], was ideally suited to the counting of [[Roman currency]] ...
9: ...d shops, manning stalls or hawking goods by the side of the road. They were also present near Roman mi...
16: ...were preferred for small settlements and piracy made coastal settlement particularly hazardous for all... - 18th century new (49640 bytes)
4: ...x|Washington crossing the Delaware, [[December 25|Dec. 25]], [[1776]], an iconic event of the [[Americ...
6: ...ut with the French revolution, they were on the side of the counterrevolution.
8: ...al revolution]] started in Britain. Despite its modest beginnings in the 18th century, it would radica...
15: ...[1700]]: The [[1700 Cascadia earthquake]] (magnitude 9) occurs off the coast of the [[Pacific Northwes...
17: * [[1700]]-[[1721|21]]: [[Russia]] supplants [[Sweden]] as the dominant [[Baltic region|Baltic]] power... - 18th century inventions (2219 bytes)
7: ...1710]]: [[Thermometer]]: [[Ren頁ntoine Ferchault de R页mur]]
14: * [[1750]]: [[Flatboat]]: [[Jacob Yoder]]
32: * [[1787]]: Non-condensing high pressure [[Engine]]: [[Oliver Evans]]
35: ...[[1791]]: [[Artificial Teeth]]: [[Nicholas Dubois De Chemant]]
37: * [[1793]]: [[Optical telegraph]]: [[Claude Chappe]] - Coal (13357 bytes)
1: ...the most common source of [[electricity]] world-wide. In the [[United States]], for example, the burni...
7: Coal is thought ultimately to derive its name from the [[Anglo-Saxon|Old English]]...
9: ...]. It is carried by thieves to protect them from detection and to help them to escape when pursued. ...
15: ...e shale and sandstone sediments that overlie coal deposits, and with special techniques, within the co...
24: ...roduction is powered by coal, and the total known deposits recoverable by current technologies are suf... - Star (12279 bytes)
1: ...mb|right|350px|The [[Pleiades (star cluster)|Pleiades]] star cluster]]
3: ...to Earth to appear as a disk instead, and to provide [[sunlight|daylight]].
7: Distances like this are typical inside galactic discs, where the Sun and Earth are locat...
9: ... [[terametre]]s. However, these have a much lower density than the Sun.
11: ...e Milky Way]], and found no stars over that limit despite a statistical expectation that there should ... - Space Shuttle program (41074 bytes)
2: ...esigned the External fuel tank and Morton Thiokol designed the solid rocket boosters.
4: ...erforms servicing missions. While the vehicle was designed with the capacity to recover satellites and...
6: Each shuttle was designed for a projected lifespan of 100 launches or...
10: ...t before re-entry, a task that the agency has decided is too expensive to be done without the faciliti...
12: ... after which it will be replaced by the yet-to-be-developed [[Crew Exploration Vehicle]] (CEV). - Salt (4921 bytes)
1: ... '''salt''' generally refers to '''[[sodium chloride]]''' and other '''[[edible salt]]s.''' In [[chemi...
5: ...the [[amino acid]]s, many [[metabolite]]s, [[peptide]]s, and [[proteins]].
7: ... saps, and [[mineral water]]s usually do not form defined salts after evaporation of the water. Theref...
14: ... even metallic and lustrous ([[pyrite|iron disulfide]]).
19: [[red]] ([[Cinnabar|mercury sulfide]]), - Scientific method (40667 bytes)
1: ...of building a supportable, [[evidence]]-based [[understanding]] of our natural [[world]].
6: ...ds for scientific inquiry is indivisible from the development of science.
7: ...seased demons and other superstition, there is evidence of traditional empiricism.
9: ...s we experience it reaches an extreme in [[Parmenides]] who argued that the world is one and that chan...
11: ...ricism]]. For Aristotle, the Platonic, universal ideal is to be found in particular things, what he ca... - Virgo (3620 bytes)
7: dec= 0 |
12: starmagnitude = 1.0 |
16: bordering =
31: ...[[Spica]] (α Vir), which was sometimes considered to represents an ear of wheat in Virgo's hand....
33: ...]] (γ Vir), [[Auva]] (δ Vir) and [[Vindemiatrix]] (ε Vir). Other fainter stars whi... - Gemini (3325 bytes)
6: Gemini includes two bright stars, named after the two twins, who...
8: ... constellation in [[1930]], near the star Wasat (δ Geminorum).
10: ==Notable deep sky objects==
12: ...t of Gemini is M35, an open cluster of 5th magnitude, 2 800 light-years from earth. It is northwest of...
15: ... was associated with the myth of [[Castor and Polydeuces]] (also known as the [[Dioscuri]]). The myth ... - Wolfgang Amadeus Mozart (12500 bytes)
1: ...][[1756]] – [[December 5]][[1791]]) is considered one of the greatest [[composer]]s of [[Europea...
7: ...but at the time was the capital of a small independent [[Archbishopric]] within the [[Holy Roman Empir...
11: ... both the [[piano]] and [[violin]]. Musically, he developed very rapidly and began to compose his own ...
13: ...ifficult passages he had never seen before. His older sister, [[Maria Anna "Nannerl" Mozart|Maria Anna...
15: ...ienna again in late 1767 and remained there until December 1768. - Temperature (22519 bytes)
1: ...[[physics|physical]] property of a system which underlies the common notions of "hot" and "cold"; the ...
3: ==General description==
8: ... heat is added the temperature rises, similarly a decrease in temperature corresponds to a loss of hea...
10: ... [[extrinsic property|extrinsic properties]], and depend on the amount of material in the system.
15: ...ace. One application of this effect is the [[incandescent light bulb]], in which a [[tungsten]] filame...
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