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- Actinium (7046 bytes)
20: | [[Chemical series]] || [[Actinide]]s
25: | [[Density]], [[Mohs hardness scale|Hardness]]
35: | [[Atomic radius]] (calc.) || [[1 E-_ m|195 (n/a) pm]]
51: ! colspan="2" bgcolor="#ff99cc" | Physical properties
67: | [[Vapor pressure]] || unknown [[Pascal|Pa]] at 1323 K - Thomas Edison (20653 bytes)
3: ...tober 18]], [[1931]]) was an [[United States|American]] [[inventor]] and [[businessman]] who developed...
10: ...ly hanged. He and his family fled to Nova Scotia, Canada, settling on land the British government gave...
12: ...llion]] that sought Canadian independence. The revolt failed and, like his grandfather, Sam fled for hi...
16: ... son to read and experiment. Many of his lessons came from reading the book [["Parker's School of Nat...
18: ...Some of his earliest inventions related to electrical telegraphy, included a stock ticker. - Lightning (33113 bytes)
10: ...truments, a number of people proposed that small scale sparks shared some similarity with lightning. [...
16: ...ard [[thunder]]. He ran home with his engraver to capture the event for posterity. While the experimen...
18: ...lin also invented the [[lightning rod]], likely because of the results of his experiment.
22: ...ually fail to produce enough charge separation to cause lightning.
24: ...lament grows in length. At the same time, electrical energy stored in the e-field flows radially inwa... - Capacitor (29664 bytes)
2: ...'every''' multi-[[conductor]] [[geometry]] has '''capacitance'''.
4: == Physics of the capacitor ==
7: ...e plates, at the boundary with the dielectric. Because each plate stores an equal but opposite charge...
9: ...es. (The air gap is shown for clarity; in a real capacitor, the dielectric is in direct contact with ...
11: === Capacitance === - Electricity (13894 bytes)
1: ...e electrical effects are discussed under [[electrical phenomenon]] and [[electromagnetism]].
6: ...ge|Greek]] ''ēlektron'' = "[[amber]]", which came from an old [[root (linguistics)|root]] ''ē...
8: ...been alleged to be [[battery (electricity)|electrical batteries]].
10: ...[Leyden jar]], a type of [[capacitor]] for electrical energy in large quantities, was invented at [[Le...
16: ...d by society, in that fundamental units of electrical measurement are named after them. - Hybrid vehicle (47544 bytes)
6: ... [[ethanol]] or plant based oils have also seen occasional use.
8: ... can use a mixture of different fuels — typically gasoline and [[ethanol]] [[alcohol fuel]].
12: ...[FreedomCAR]] initiative{{cite web | title=FreedomCAR: Getting New Technology into the Marketplace | w...
14: ...submarines have moved to [[nuclear power]], which can operate underwater indefinitely, though a number...
16: ...rally generated power, and in some places such as California is only a minor contributor, overshadowed... - Kelvin (3722 bytes)
16: ...e/chemistry/general/units_en.html#temp Conversion calculator for units of temperature]</small>
18: ...oint]] of [[water]]. The [[Celsius]] temperature scale is now defined in terms of the kelvin, with 0 ?...
22: == Typographical conventions ==
24: ...nheit]]'', or degrees ''[[Celsius]]''. This is because the latter are [[adjective]]s, whereas ''kelvi...
26: ...e that the symbol for the kelvin unit is always a capital K and never italicised. There is a space bet... - Americium (6956 bytes)
20: | [[Chemical series]] || [[actinide]]s
33: | [[Atomic radius]] (calc.) || [[1 E-10 m|175 pm (no data)]]
47: ...="2" bgcolor="#ff99cc" | <font color="black">Physical properties</font>
60: | [[Mohs hardness scale|Hardness]] || no data
78: | [[Electronegativity]] || 1.3 ([[Pauling scale]]) - Antimony (9093 bytes)
26: | [[Density]], [[Mohs hardness scale|Hardness]]
36: | [[Atomic radius]] (calc.) || 145 (133) [[picometre|pm]]
52: ! colspan="2" bgcolor="#cccc99" | Physical properties
68: | [[Vapor pressure]] || 2.49 E-9 [[Pascal|Pa]] @ 6304 K
74: | [[Electronegativity]] || 2.05 ([[Pauling scale]]) - Arsenic (12497 bytes)
25: | [[Density]], [[Mohs hardness scale|Hardness]]
35: | [[Atomic radius]] (calc.) || 115 (114) [[picometre|pm]]
51: ! colspan="2" bgcolor="#cccc99" | Physical properties
67: | [[Vapor pressure]] || __ [[Pascal|Pa]] at __ K
73: | [[Electronegativity]] || 2.18 ([[Pauling scale]]) - Astatine (5377 bytes)
26: | [[Density]], [[Mohs hardness scale|Hardness]]
52: ! colspan="2" bgcolor="#ffff99" | Physical properties
74: | [[Electronegativity]] || 2.2 ([[Pauling scale]])
76: | [[Specific heat capacity]] || no data
78: | [[Electrical conductivity]] || no data - Barium (8466 bytes)
8: | colspan="2" align="center" | [[Caesium]] – '''Barium''' – [[Lanthanum]]
26: | [[Density]], [[Mohs hardness scale|Hardness]]
36: | [[Atomic radius]] (Calc.) || 215 [[picometre|pm]] (253 pm)
53: ! colspan="2" bgcolor="#FFDEAD" | Physical Properties
69: | [[Vapor pressure]] || 98 [[Pascal (unit)|Pa]] at 371 K - Berkelium (5697 bytes)
7: ...r" | [[curium]] – '''berkelium''' – [[californium]]
20: | [[Chemical series]]
52: ! [[decay mode|DM]]
53: ! [[decay energy|DE]] [[mega|M]][[electron volt|eV]]
54: ! [[decay product|DP]] - Beryllium (15119 bytes)
25: | [[Density]], [[Mohs hardness scale|Hardness]]
57: ! colspan="2" bgcolor="#FFDEAD" | Physical properties
78: | 4180 [[Pascal (unit)|Pa]]
86: | 1.57 ([[Pauling scale]])
88: | [[Specific heat capacity]] - Bismuth (9188 bytes)
21: | [[Chemical series]]
27: | [[Density]], [[Mohs hardness scale|Hardness]]
38: | [[Atomic radius]] (calc.)
59: ! colspan="2" bgcolor="#cccccc" | Physical properties
80: | 0.000627 [[Pascal|Pa]] at 544 K - Bromine (8073 bytes)
24: | [[Density]], [[Mohs hardness scale|Hardness]]
35: | [[Atomic radius]] (calc.)
56: ! colspan="2" bgcolor="#ffff99" | Physical properties
77: | 5800 [[Pascal|Pa]] at 266.1K
85: | 2.96 ([[Pauling scale]]) - Cadmium (10755 bytes)
5: ...olspan="2" align="center" | [[silver]] – '''cadmium''' – [[indium]]
17: | Cadmium, Cd, 48
19: | [[Chemical series]]
25: | [[Density]], [[Mohs hardness scale|Hardness]]
36: | [[Atomic radius]] (calc.) - Calcium (9166 bytes)
5: ...r">[[potassium]] – '''calcium''' – [[scandium]]</td>
7: ...owspan="3" valign="center">[[Magnesium|Mg]]<br>'''Ca'''<br>[[Strontium|Sr]] <br> <br>&...
8: <tr><td align="center">[[Image:Ca-TableImage.png]]<br>
15: ...t of elements by number|Number]]</td><td>calcium, Ca, 20</td></tr>
21: <td>[[Density]], [[Mohs hardness scale|Hardness]] </td><td>1550 [[kilogram per cubic... - Californium (7452 bytes)
5: ...lspan="2" align="center">[[berkelium]] – '''californium''' – [[einsteinium]]</td>
15: ...]], [[List of elements by number|Number]]</td><td>Californium, Cf, 98</td></tr>
17: <td>[[Chemical series]] </td><td>[...
36: ...y|DE]] [[mega|M]][[electron volt|eV]]</th><th>[[decay product|DP]]</th></tr>
54: ...]] 98. A [[radioactive]] [[transuranic element]], californium has very few uses and was discovered by ... - Cerium (12377 bytes)
17: | [[Chemical series]]
23: | [[Density]], [[Mohs hardness scale|Hardness]]
34: | [[Atomic radius]] (calc.)
55: ...an="2" align="center" bgcolor="#ffbfff" | '''Physical properties'''
76: | n/a [[Pascal|Pa]] at 1071 K
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