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Explain to to me about lanthanum

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Explain to to me about lanthanum

asked Jun 7, 2019 186k views

5 votes

Explain to to me about lanthanum

Chemistry
middle-school

by Kauedg

7.5k points

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1 Answer

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atomic number is 57, and the atomic mass is 138.90547 u + 0.00007 u

Centril answered Jun 11, 2019

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