Template:Periodic table legend/Occurrence-unk2017

Primordial

From decay

Synthetic

Claimed

Predicted

Border shows natural occurrence of the element [demo-2018]

Template documentation

• /Occurrence-unk2017: development, proposal. Changes undiscovered element and white-category i predicted. Sept 2017
• Jan 2018: add Changed (prelim border), reduce grey bg into near white (is not the "unk-grey")
• todo research old colors used (purple? brown?).
• three line colors: #ddd (same)

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