Template:List of chemical elements/testcases

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Oct 2020
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List of chemical elements
Atomic number
Z 		Symbol Origin of name[1][2] Period Group Standard atomic weight[lower-roman 1] Density[lower-roman 2] Melting point[lower-roman 3] Boiling point[lower-roman 4] Specific
heat
capacity[lower-roman 5] 		[[Electronegativity|ElectroTemplate:Shynegativity]][lower-roman 6] Abundance
in Earth's
crust 		Origin Category
(Da) (Template:Sfrac) (K) (K) (Template:Sfrac) (Template:Sfrac)
  (new) (new)
1 H etym 1 1 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial s-block
2 He etym 1 18 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial s-block
3 Li etym 2 1 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial s-block


87 Fr etym 7 1 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v from decay s-block
88 Ra etym 7 2 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v from decay s-block
4 Be etym 2 2 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial s-block
5 B etym 2 13 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
6 C etym 2 14 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
7 N etym 2 15 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
8 O etym 2 16 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
9 F etym 2 17 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
10 Ne etym 2 18 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
11 Na etym 3 1 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial s-block
12 Mg etym 3 2 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial s-block
14 Si etym 3 14 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
15 P etym 3 15 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
16 S etym 3 16 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
18 Ar etym 3 18 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial p-block
19 K etym 4 1 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial s-block bp:val()


43 Tc etym 5 7 User:DePiep/v[lower-roman 1] User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v from decay d-block bp:flat()


48 Cd etym 5 12 User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v User:DePiep/v primordial d-block


Footnotes NEW

Notation forms

[lower-alpha 2] [lower-alpha 3] [lower-alpha 6]


Notes

  1. ↑ s.a.w. conventional, abridged
  2. ↑ 2.0 2.1 [ ] — massnumber. Element has no stable isotope. [204] is mass number is of the most stable isotope
  3. ↑ 3.0 3.1 ( ) — prediction
  4. ↑ Helium: does not solidify at a pressure of 1 bar (0.99 atm). Helium can only solidify at pressures above 25 atmospheres, which corresponds to a melting point of absolute zero (0 K).
  5. ↑ Arsenic: element sublimes at one atmosphere of pressure.
  6. ↑ 6.0 6.1 Abundance is –: Superheavy elements, with Z = 95 and above, do not occur naturally. They can be produced synthetically.
  7. ↑ Unless otherwise indicated, elements are primordial – they occur naturally, and not through decay.
  8. ↑ This element is transient – it occurs only through decay (and in the case of plutonium, also in traces deposited from supernovae onto Earth).

Header, footnotes OLD

OLD header
List of chemical elements
Z[upper-roman 1] Symbol Element Origin of name[3][4] Group Period Atomic weight[5][6] Density Melting point[7] Boiling point C[upper-roman 1] [[Electronegativity|ElectroTemplate:Shynegativity]] Abundance in Earth's crust[upper-roman 2]
(u) (Template:Sfrac) (K) (K) (Template:Sfrac) (Template:Sfrac)
 

Notes

  1. ↑ 1.0 1.1 1.2 1.3 Z is the standard symbol for atomic number; C is the standard symbol for heat capacity
  2. ↑ 2.0 2.1 2.2 Unless otherwise indicated, elements are primordial – they occur naturally, and not through decay.
  3. ↑ The element does not have any stable nuclides, and a value in brackets, e.g. [209], indicates the mass number of the longest-lived isotope of the element. However, four such elements, bismuth, thorium, protactinium, and uranium, have characteristic terrestrial isotopic compositions, and thus their standard atomic weights are given.
  4. ↑ The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.
  5. ↑ The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.
  6. ↑ The isotopic composition varies in terrestrial material such that a more precise atomic weight can not be given.
  7. ↑ The atomic weight of commercial lithium can vary between 6.939 and 6.996—analysis of the specific material is necessary to find a more accurate value.
  8. ↑ Helium does not solidify at a pressure of one atmosphere. Helium can only solidify at pressures above 25 atmospheres, which corresponds to a melting point of absolute zero.
  9. ↑ This element sublimes at one atmosphere of pressure.
  10. ↑ The value listed is the conventional atomic-weight value suitable for trade and commerce. The actual value may differ depending on the isotopic composition of the sample. Since 2009, IUPAC provides the standard atomic-weight values for these elements using the interval notation. The corresponding standard atomic weights are:
    • Hydrogen: [1.00784, 1.00811]
    • Lithium: [6.938, 6.997]
    • Boron: [10.806, 10.821]
    • Carbon: [12.0096, 12.0116]
    • Nitrogen: [14.00643, 14.00728]
    • Oxygen: [15.99903, 15.99977]
    • Magnesium: [24.304, 24.307]
    • Silicon: [28.084, 28.086]
    • Sulfur: [32.059, 32.076]
    • Chlorine: [35.446, 35.457]
    • Argon: [39.792, 39.963]
    • Bromine: [79.901, 79.907]
    • Thallium: [204.382, 204.385]
  11. ↑ The value has not been precisely measured, usually because of the element's short half-life; the value given in parentheses is a prediction.
  12. ↑ Copernicium, with error bars: 283±11 K and 340±10 K respectively. The best experimental value for the boiling point of copernicium is 357+112
    −108     K.
  13. ↑ This predicted value is for solid oganesson, not gaseous oganesson.
  14. ↑ This element is synthetic – the transuranic elements 95 and above do not occur naturally, but they can all be produced artificially.
  15. ↑ This element is transient – it occurs only through decay (and in the case of plutonium, also in traces deposited from supernovae onto Earth).
  16. ↑ With error bars: 350±30 K.
  1. ↑ 1.0 1.1 Cite error: Invalid <ref> tag; no text was provided for refs named saw
  2. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named density
  3. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named mp
  4. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named bp
  5. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named heatcapacity
  6. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named electronegativity
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Chemical elements

  1. ↑ "Periodic Table – Royal Society of Chemistry". www.rsc.org.
  2. ↑ "Online Etymology Dictionary". etymonline.com.
  3. ↑ "Periodic Table – Royal Society of Chemistry". www.rsc.org.
  4. ↑ "Online Etymology Dictionary". etymonline.com.
  5. ↑ Wieser, Michael E.; et al. (2013). "Atomic weights of the elements 2011 (IUPAC Technical Report)". Pure Appl. Chemistry. 85 (5): 1047–1078. doi:10.1351/PAC-REP-13-03-02. (for standard atomic weights of elements)
  6. ↑ Sonzogni, Alejandro. "Interactive Chart of Nuclides". National Nuclear Data Center: Brookhaven National Laboratory. Retrieved 2008-06-06. (for atomic weights of elements with atomic numbers 103–118)
  7. ↑ Holman, S. W.; Lawrence, R. R.; Barr, L. (1 January 1895). "Melting Points of Aluminum, Silver, Gold, Copper, and Platinum". Proceedings of the American Academy of Arts and Sciences. 31: 218–233. doi:10.2307/20020628. JSTOR 20020628.
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