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- Actinium (7046 bytes)
20: | [[Chemical series]] || [[Actinide]]s
25: | [[Density]], [[Mohs hardness scale|Hardness]]
31: ! colspan="2" bgcolor="#ff99cc" | Atomic properties
51: ... colspan="2" bgcolor="#ff99cc" | Physical properties
61: | 22.55 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Heart (10132 bytes)
3: ...n]] that [[pump]]s [[blood]] through the [[blood vessel]]s by repeated, rhythmic contractions. The ter...
7: ...singular: ''atrium'') and the two lower ''ventricles''.
9: ...ional flow of blood from the atria to the ventricles.
11: ...ventricle pumps blood throughout the body's arteries and veins; the right ventricle pumps blood to the...
15: ...m the left atrium this newly oxygenated blood passes through the [[mitral valve]] to enter the left ve... - Mercury (planet) (22924 bytes)
1: ...n that [[telescope]]s rarely examine it (the greatest [[elongation]] is 28.3?). Mercury has no [[natur...
3: ...f the Sun and then the other. It was called [[Hermes]] when in the evening sky, but was known as [[Apo...
5: The Chinese and Japanese cultures refer to the planet as the ''Water Star'', based ...
8: ...rs.com/topic/mercury-in-roman-religion-planet-nearest-to-the-sun answers.com])
10: ...n]]). The sunlight on Mercury's surface is 6.5 times as intense as it is on Earth, a total [[irradianc... - Polar bear (6417 bytes)
10: {{Taxobox_species_entry | taxon = '''''U. maritimus'''''}}
15: ...bs weigh 600 to 700 [[gram|g]]. Population estimates range from 16,000 to 35,000, with about 60% in [[...
17: ..._bear2.jpg|thumb|left|250px|Polar Bear photo courtesy of [http://classroomclipart.com Classroom Clip A...
18: ...e hair have [[Optical fiber|fibre-optic]] properties, a commonly perpetuated [[urban legend]].
20: ...ted to the point where they overheat at temperatures above 10°C (50?F). Their insulation is so eff... - Nutrition (42689 bytes)
1: ...d1.png|right|thumb|270px|The updated [[United States Department of Agriculture|USDA]] [[food pyramid]]...
2: ...ionship between [[diet (nutrition)|diet]] and states of [[health]] and [[disease]]. Absence of adequat...
4: ...l and behavioral problems. Moreover, excessive ingestion of elements that have no apparent role in hea...
8: ...r in various forms and combinations (e.g. [[hormones]]/[[vitamins]], [[phospholipids]], [[hydroxyapati...
10: ... juice is eliminated by this process; the intestines reabsorb most of it; otherwise - Tobacco smoking (36030 bytes)
1: ...moking_equipment.jpg|thumb|200px|right|Various pipes and cigars]]
2: ...red a significant cause of human health problems, especially [[lung cancer]], [[emphysema]], and other...
4: ...years in the [[United States]], [[Canada]] and [[western Europe]].
6: ... is by far the most common. Pipes and cigars are less common, and are used almost exclusively by men.
8: ...obacco smoke is inhaled into the lungs and increases with quantity and speed of nicotine absorption. - Tangram (4661 bytes)
1: '''Tangram''' is an ancient [[China|Chinese]] [[puzzle]].
6: It consists of 7 pieces, called ''Tans'', which fit together to form a sq...
7: * 5 [[triangle]]s of various sizes,
11: ...objective is to form a given shape with seven pieces.
12: The shape has to contain all the pieces, which must not overlap. - Atomic mass (3063 bytes)
1: ...s the [[mass]] of one [[atom]] of the isotope expressed in units (''[[atomic mass unit]]'', amu) such ...
3: ...n isotope is approximately an integer: in most cases the first digit after the decimal point is 0 or 9...
5: ...y, and fusion in elements heavier than iron requires energy.
7: ...elative natural abundances of the element's isotopes. This is the atomic mass used in [[stoichiometric...
11: ...ated for those compounds which do not form molecules. - Sword (24928 bytes)
1: [[Image:Espadon-Morges.jpg|thumb|100px|Swiss [[longsword]], 15th or 16th...
2: ...[literature]], and [[history]] reflect the high prestige of the weapon (see [[list of swords]]).
8: ....jpg|frame|[[Sword of Gou Jian]] as seen on a Chinese high school [[textbook]]]]
10: ...[Mediterranean]] and the [[Black Sea]], and in [[Mesopotamia]]. Swords from the [[Nordic Bronze Age]] ...
11: Sword production in [[China]] is attested from the Bronze Age [[Shang Dynasty]]. - Americium (6956 bytes)
20: | [[Chemical series]] || [[actinide]]s
28: ...or="#ff99cc" | <font color="black">Atomic properties</font>
47: ...="#ff99cc" | <font color="black">Physical properties</font>
60: | [[Mohs hardness scale|Hardness]] || no data
65: | 17.63 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Berkelium (5697 bytes)
15: ...lor="#ff99cc" | <font color="black">Known properties</font>
20: | [[Chemical series]]
44: ..."#ff99cc" | <font color="black">Most stable isotopes</font>
78: ... was the fifth [[transuranic element]] to be synthesized.
81: ...xidation | oxidize]] in air at elevated temperatures and would be [[solubility | soluble]] in dilute [... - Boron (9084 bytes)
2: {{Elementbox_series | [[metalloid]]s }}
17: {{Elementbox_vaporpressure_katpa | 2348 | 2562 | 2822 | 3141 | 3545 | 40...
20: {{Elementbox_oxistates | 3<br />(mildly [[acid]]ic oxide) }}
22: {{Elementbox_ionizationenergies4 | 800.6 | 2427.1 | 3659.7 }}
28: {{Elementbox_eresist_ohmmat20 | 1.5×10<sup>4</sup> }} - Caesium (11026 bytes)
4: | colspan="2" align="center" | '''Caesium''' – [[Barium]]
14: | Caesium, Cs, 55
16: | [[periodic table series|Series]]
22: | [[Density]], [[Mohs hardness scale|Hardness]]
28: ...gn="center" bgcolor="#FF6666" | '''Atomic properties''' - Curium (8593 bytes)
19: | [[Chemical series]]
28: ...gn="center" bgcolor="#ff99cc" | '''Atomic properties'''
51: ...="center" bgcolor="#ff99cc" | '''Physical properties'''
68: | [[Mohs hardness scale|Hardness]]
75: | 18.05 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Germanium (8776 bytes)
20: | [[periodic table series|Series]]
26: | [[Density]], [[Mohs hardness scale|Hardness]]
32: ...gn="center" bgcolor="#cccc99" | '''Atomic properties'''
58: ...="center" bgcolor="#cccc99" | '''Physical properties'''
70: | 13.63 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Gold (24329 bytes)
20: | [[Chemical series]]
26: | [[Density]], [[Mohs hardness scale|Hardness]]
32: ...gn="center" bgcolor="#ffc0c0" | '''Atomic properties'''
59: ...="center" bgcolor="#ffc0c0" | '''Physical properties'''
79: | [[Vapor pressure]] - Hafnium (9162 bytes)
17: | [[Chemical series]]
23: | [[Density]], [[Mohs hardness scale|Hardness]]
29: ...align="center" bgcolor="ffc0c0"|'''Atomic Properties'''
55: ...ign="center" bgcolor="ffc0c0"|'''Physical Properties'''
75: | [[Vapor pressure]] - Helium (36603 bytes)
20: | [[Chemical series]]
21: | [[Noble gas]]es
30: | align="center" | colorless<br>[[Image:He,2.jpg|125px|]]
102: ...mperature and pressure|standard temperature and pressure]].</small>
104: ...the effects that near [[absolute zero]] temperatures have on [[matter]] (such as [[superconductivity]]... - Indium (8657 bytes)
18: | [[Chemical series]]
24: | [[Density]], [[Mohs hardness scale|Hardness]]
30: ...gn="center" bgcolor="#cccccc" | '''Atomic properties'''
56: ...="center" bgcolor="#cccccc" | '''Physical properties'''
68: | 15.76 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Iodine (11416 bytes)
19: | [[periodic table series|Series]]
25: | [[Density]], [[Mohs hardness scale|Hardness]]
31: ...gn="center" bgcolor="#ffff99" | '''Atomic properties'''
57: ...="center" bgcolor="#ffff99" | '''Physical properties'''
77: | [[Vapor pressure]]
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