PROTACTINIUM

Yes, PROTACTINIUM is a Scrabble word!

Letter values in Scrabble US: P 3, R 1, O 1, T 1, A 1, C 3, T 1, I 1, N 1, I 1, U 1, M 3.P 3 · R 1 · O 1 · T 1 · A 1 · C 3 · T 1 · I 1 · N 1 · I 1 · U 1 · M 3

Is it a valid word?

• Scrabble US: valid, 18 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 18 points
• Scrabble UK: valid, 18 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 18 points
• Words with Friends: valid, 23 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 23 points