The elements cu, o, la, y, ba, tl, and bi are all found in high-temperature ceramic superconductors. write the expected electron configuration for these atoms. (type your answer in noble gas notation using the format [ar] 4s2 3d10 4p3 for [ar] 4s2 3d10 4p3.)

Question

Chemistry

Ezra Lang

13 February, 19:22

The elements cu, o, la, y, ba, tl, and bi are all found in high-temperature ceramic superconductors. write the expected electron configuration for these atoms. (type your answer in noble gas notation using the format [ar] 4s2 3d10 4p3 for [ar] 4s2 3d10 4p3.)

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Answers (1)

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Nina Wheeler · Answer 1

Part 1)

Cu - [Ar] 3d¹⁰4s¹ atomic number: 29

O - [He] 2s2 2p 4 atomic number:8

La - [Xe] 5d¹ 6s² atomic number:57

Y - [Kr] 4d¹5s² atomic number:39

Ba - [Xe] 6s² atomic number:56

Tl - [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹ atomic number:81

Bi - [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³ atomic number:83

Part 2)

You are able to this by consulting the periodic table and following this steps:

-Find your atom's atomic number;

-Determine the charge of the atom (these were all uncharged)

-Memorize the order of orbitals (s, d, p, d ... and how many electrons they can fit)

- Fill in the orbitals according to the number of electrons in the atom

- for long electron configurations, abbreviate with the noble gases