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Unbiunium, also known as eka-actinium or element 121, is a hypothetical chemical element; it has symbol Ubu and atomic number 121. Unbiunium and Ubu are the temporary systematic IUPAC name and symbol respectively, which are used until the element is discovered, confirmed, and a permanent name is decided upon.
Unbinilium, also known as eka-radium or element 120, is a hypothetical chemical element; it has symbol Ubn and atomic number 120. Unbinilium and Ubn are the temporary systematic IUPAC name and symbol , which are used until the element is discovered, confirmed, and a permanent name is decided upon.
No description. Template parameters [Edit template data] Parameter Description Type Status symbol symbol no description Unknown optional number number no description Unknown optional name name no description Unknown optional image name image name no description Unknown optional image upright image upright no description Unknown optional proposed name proposed name no description Unknown ...
Once this name and symbol is proposed, there is still a comment period before they become official and replace the systematic name and symbol. At the time the systematic names were recommended (1978), names had already been officially given to all elements up to atomic number 103, lawrencium. While systematic names were given for elements 101 ...
The symbol [Og] indicates the probable electron configuration of oganesson (Z = 118), which is currently the last known element. The configurations of the elements in this table are written starting with [Og] because oganesson is expected to be the last prior element with a closed-shell (inert gas) configuration, 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 ...
Ruthenium is from the Latin name for the region including Belarus, Ukraine, and Russia. [29] Lutetium is named after Lutetia, the Latin name for Paris. Copper's name comes from an Old English word derived from the Latin name for the island of Cyprus. [30] The names of both magnesium and manganese derive from the Greek region of Magnesia. [31]
Name (symbol) Z Description (symbol etymology, former names) Hydrogen (H) 1 ὕδωρ (root: ὑδρ-) + γενής (hydor genes) Greek via Latin and French "water + begetter" descriptive From French hydrogène [2] and Latin hydro-and -genes, derived from the Greek ὕδωρ γείνομαι (hydor geinomai), meaning "Ι beget water". Helium (He) 2
An 1888 reproduction of a Venetian list of medieval Greek alchemical symbols from about the year 1100 but circulating since about 300 and attributed to Zosimos of Panopolis. The list starts with 🜚 for gold and has early conventions that would later change: here ☿ is tin and ♃ electrum; ☾ is silver but ☽ is mercury.