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| -rw-r--r-- | elements.json | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/elements.json b/elements.json index 14c083f..53b5944 100644 --- a/elements.json +++ b/elements.json @@ -1209,7 +1209,7 @@ "number": 109, "symbol": "Mt", "name": "Meitnerium", - "category": "unknown", + "category": "transition-metal", "column": 9, "row": 7, "quantum": "Used in quantum materials research", |