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• Terbium
  {{Element... period=N/A...
  16 KB (203 words) - 21:15, 16 November 2021
• Ruthenium
  {{Element... period=5...
  12 KB (207 words) - 21:01, 16 November 2021
• Rhenium
  {{Element... period=6...
  16 KB (199 words) - 11:45, 10 November 2011
• Lithium
  {{Element... group=1...
  5 KB (386 words) - 09:44, 26 January 2021
• Platinum
  {{Element... period=6...
  16 KB (226 words) - 21:20, 16 November 2021
• Gadolinium
  {{Element... period=N/A...
  16 KB (210 words) - 23:29, 17 December 2013
• Neptunium
  {{Element... period=N/A...
  20 KB (259 words) - 10:24, 21 December 2012
• Manganese
  {{Element... period=4...
  8 KB (243 words) - 16:45, 4 October 2011
• Hydrogen
  {{Element... number=1...
  6 KB (655 words) - 07:55, 20 January 2021
• Hafnium
  {{Element... period=6...
  16 KB (273 words) - 10:56, 16 October 2013
• Calcium
  {{Element... period=4...
  8 KB (299 words) - 20:48, 16 November 2021
• GFDL:Goldschmidt classification
  ...a [[Geochemistry|geochemical classification]] which groups the [[chemical element]]s according to their preferred host phases into siderophile ([[iron]] lovi ...[[Bismuth|Bi]], [[Cadmium|Cd]], [[Copper|Cu]], [[Gallium|Ga]], [[Mercury_(Element)|Hg]], [[Indium|In]], [[Lead|Pb]], [[Polonium|Po]], [[Sulfur|S]], [[Antimon
  26 KB (2,988 words) - 19:00, 16 November 2021
• Chromium
  {{Element... period=4...
  10 KB (446 words) - 20:10, 28 July 2013
• Sodium
  {{Element... group=1...
  7 KB (588 words) - 14:30, 10 April 2019
• Sulfur
  {{Element... period=3...
  7 KB (386 words) - 12:07, 22 September 2011
• Featured Articles
  ...p 18 and is the second element in the Periodic Table of the Elements. This element has two stable isotopes: 3 and 4. Helium 3 is a rare isotope of the element Helium, consisting of a nucleus with two protons and one neutron.
  7 KB (1,068 words) - 04:45, 24 October 2019
• Aluminum
  {{Element... period=3...
  9 KB (601 words) - 07:57, 20 January 2021
• Periodic Table of the Elements
  | STYLE="width:.5in;height:.5in;" | 1 | _Period<br>↓
  20 KB (2,849 words) - 23:11, 30 October 2011
• Helium
  {{Element... period=1...
  19 KB (2,738 words) - 01:20, 23 June 2019
• Geologic Processes on the Moon/Cratering on the Moon
  ..., and volcanic maria (Fig 1). [[Image:GP1Fig 2.jpg|thumb|400px|Top: Figure 1. Bottom: Figure 2<BR/>Top image shows general area; white line shows the s ...e, long period comets generally have a higher approach velocity than short period comets) and the direction with which it approaches the moon (for example, i
  21 KB (3,529 words) - 17:17, 3 August 2013

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