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Elfen gemegol yw crypton gyda'r symbol Kr
a'r rhif atomig 36 yn y tabl cyfnodol.
Enghraifft o'r canlynol | elfen gemegol, nwy, atmophile element |
---|---|
Màs | 83.798 ±0.002 uned Dalton |
Fformiwla gemegol | Kr |
Dyddiad darganfod | 1898 |
Symbol | Kr |
Rhif atomig | 36 |
Trefn yr electronnau | 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶, [Ar] 3d¹⁰ 4s² 4p⁶ |
Electronegatifedd | 3 |
Cyflwr ocsidiad | 3 |
Rhan o | elfen cyfnod 4, Nwy nobl |
Ffeiliau perthnasol ar Gomin Wicimedia |
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