Y gwahaniaeth rhwng diwygiadau o "Elfen Grŵp 6"

Lleihawyd o 8 beit ,  10 o flynyddoedd yn ôl
Elfen cyfnod
(cat)
(Elfen cyfnod)
! ↓&nbsp;<small>[[Cyfnod y tabl cyfnodol|Cyfnod]]</small>
|- align=center
| [[PeriodElfen 4cyfnod element4|'''4''']]
| {{element cell| [[File:Chromium_crystals_and_1cm3_cube.jpg|100px|Bar o risialau cromiwm]]<br />24|Cromiwm|Cr| |Solid|Transition metals|Primordial}}
|- align=center
| [[PeriodElfen 5cyfnod element5|'''5''']]
| {{element cell|[[File:Molybdenum_crystaline_fragment_and_1cm3_cube.jpg|100px|Bar o risialau molybdenwm]]<br />42|Molybdenwm |Mo| |Solid|Transition metals|Primordial}}
|- align=center
| [[PeriodElfen 6cyfnod element6|'''6''']]
| {{element cell|[[File:Wolfram_evaporated_crystals_and_1cm3_cube.jpg|100px|Bar o risialau twngsten]]<br />74|Twngsten |W| |Solid|Transition metals|Primordial}}
|- align=center
| [[PeriodElfen 7cyfnod element7|'''7''']]
| {{element cell| 106|Seaborgiwm|Sg| |Solid|Transition metals|Synthetic}}
|-