Chemistry, asked by spondonsen5960, 1 year ago

Electronic configuration of element with atomic number 57

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Answered by siril

3

The element with atomic number 57 is Lanthanum

Its electronic configuration is

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 5d¹ 6s²

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