File:PT blocks and 1st rows.png

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Summary

Description
English: An 18-column periodic table highlighting the first row of each block. Helium, shown here over beryllium, in group 2, on electron configuration grounds, is normally located above neon in group 18 since the resulting physiochemical trend lines going down the group are smoother.
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Author Sandbh

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13 September 2021

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Date/TimeThumbnailDimensionsUserComment
current04:01, 3 May 2023Thumbnail for version as of 04:01, 3 May 20232,484 × 1,738 (508 KB)SandbhCorrecting atomic numbers among actinides
05:09, 23 April 2023Thumbnail for version as of 05:09, 23 April 20232,480 × 1,742 (508 KB)SandbhReturn Th to its rightful place
06:13, 22 February 2022Thumbnail for version as of 06:13, 22 February 20222,128 × 1,504 (424 KB)SandbhLess clutter, more white space
05:33, 22 February 2022Thumbnail for version as of 05:33, 22 February 20221,948 × 1,394 (373 KB)SandbhAdded notes 1 to 3
05:20, 22 February 2022Thumbnail for version as of 05:20, 22 February 20221,948 × 1,394 (333 KB)SandbhBold the numbers of all of the "s" configurations, on the left
05:16, 22 February 2022Thumbnail for version as of 05:16, 22 February 20221,948 × 1,394 (332 KB)Sandbhreduce height
05:11, 22 February 2022Thumbnail for version as of 05:11, 22 February 20221,948 × 1,482 (335 KB)SandbhDesign changes; add electron counts
11:08, 17 November 2021Thumbnail for version as of 11:08, 17 November 20211,893 × 1,125 (412 KB)SandbhOutlined nonmetals
11:38, 1 November 2021Thumbnail for version as of 11:38, 1 November 20211,847 × 1,125 (450 KB)SandbhTypo fix
04:54, 15 September 2021Thumbnail for version as of 04:54, 15 September 20211,822 × 1,125 (385 KB)Sandbhbrighter colours
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