a565ac84aae06513…
ElementID:
34359 bytesFirst seen Jun 12, 20261 collectionFields
| Name | Value |
|---|---|
| atomicMass | 78.97 |
| atomicNumber | 34 |
| block | p |
| boilingPointC | 684.85 |
| categoryId | reactive-nonmetal |
| density | 4.809 |
| discoverer | null |
| discoveryYear | 1817 |
| electronConfiguration | [Ar]4s2 3d10 4p4 |
| electronegativity | 2.55 |
| group | 16 |
| meltingPointC | 220.5 |
| name | Selenium |
| period | 4 |
| phase | Solid |
| symbol | Se |
Canonical JSON
{
"id": "34",
"type": "Element",
"data": {
"atomicMass": 78.97,
"atomicNumber": 34,
"block": "p",
"boilingPointC": 684.85,
"categoryId": "reactive-nonmetal",
"density": 4.809,
"discoverer": null,
"discoveryYear": "1817",
"electronConfiguration": "[Ar]4s2 3d10 4p4",
"electronegativity": 2.55,
"group": 16,
"meltingPointC": 220.5,
"name": "Selenium",
"period": 4,
"phase": "Solid",
"symbol": "Se"
}
}Appears in 1 collection
reference/periodic-table1 version · Jun 12, 2026
Full hash:a565ac84aae06513dd8be5915ec5af09675c0ac107d2668a2aa0ecfefb8be5bb