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Whats the atomic number for protactinium-231

Sagot :

aishaalme7

Answer:

91

Fact box

Group Actinides 1572°C, 2862°F, 1845 K

Block f 15.4

Atomic number 91 231.036

State at 20°C Solid 231Pa

Electron configuration [Rn] 5f26d17s2 7440-13-3

Explanation:

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