E = h vE = hc / wavelenegthwavelength = c / vc = 3.00 x 108 m /sh = 6.626 x 10-34 J. s1 nm = 1 x 10-9 mAvogadro's number: 6.022 x 1023total electron groupgroup geometrynumber of surrounded atoms number of lone pair of electronsmolecular shape 2linear 20linear 3trigonal planar 3 20 1trigonal planar bent or angular 4 tetrahedral 4 3 2 0 1 2 tetrahedral trigonal pyramidal bent or angular Determine the valence electronic configuration of an atom in period 3 and 2A group. Group of answer choicesA.) 3s2B.) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2C.) 2s2, 2p4D.) 4s2, 2p4

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Answered: valence electronic configuration

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter6: Quantum Mechanics And Molecular Structure

Section: Chapter Questions

Problem 39P: The photoelectron spectrum of HBr has two main groups of peaks. The first has ionization energy...

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Question

E = h v

E = hc / wavelenegth

wavelength = c / v

c = 3.00 x 10⁸ m /s

h = 6.626 x 10^-34 J. s

1 nm = 1 x 10^-9 m

Avogadro's number: 6.022 x 10²³

total electron group	group geometry	number of surrounded atoms	number of lone pair of electrons	molecular shape
2	linear	2	0	linear
3	trigonal planar	3 2	0 1	trigonal planar bent or angular
4	tetrahedral	4 3 2	0 1 2	tetrahedral trigonal pyramidal bent or angular

Determine the valence electronic configuration of an atom in period 3 and 2A group.

Group of answer choices

A.) 3s2

B.) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2

C.) 2s2, 2p4

D.) 4s2, 2p4

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