Atom 1. Electron Configuration 0 Na Ca Fe Zn Br Sr Ca Xe Cs Pb Ra 1s22s22p 1s22s22p63s¹ 1s²2s²2p63s²3p64s² 1s²2s²2p 3s 3p64526 1s22s²2p 3s 3p6452910 1s22s22p63s23p6 4s23d¹04p5 1s22s22p63s23p6 4s²3d¹04p65s² 1s22s22p635²3p45²30104p652410 1s²2s²2p6 35² 3p64s²3d¹04p65s²4d¹0 5p6 1s²2s²2p6 35² 3p64s²3d¹04p65s²4d¹0 5p66s¹ 1s²2s²2p63s²3p6 4s²3d¹04p65s²4d¹05p66s²4f¹45d¹0 6p² 1s²2s²2p63s² 3p64s23d104p6 55² 4d¹0 5p66s²4f145d10 6p675² 2. Number of Valence Electrons 3. Group Number
Atom 1. Electron Configuration 0 Na Ca Fe Zn Br Sr Ca Xe Cs Pb Ra 1s22s22p 1s22s22p63s¹ 1s²2s²2p63s²3p64s² 1s²2s²2p 3s 3p64526 1s22s²2p 3s 3p6452910 1s22s22p63s23p6 4s23d¹04p5 1s22s22p63s23p6 4s²3d¹04p65s² 1s22s22p635²3p45²30104p652410 1s²2s²2p6 35² 3p64s²3d¹04p65s²4d¹0 5p6 1s²2s²2p6 35² 3p64s²3d¹04p65s²4d¹0 5p66s¹ 1s²2s²2p63s²3p6 4s²3d¹04p65s²4d¹05p66s²4f¹45d¹0 6p² 1s²2s²2p63s² 3p64s23d104p6 55² 4d¹0 5p66s²4f145d10 6p675² 2. Number of Valence Electrons 3. Group Number
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Atom 1. Electron Configuration
0
Na
Ca
Fe
Zn
Br
Sr
Ca
Xe
Cs
Pb
Ra
1s22s22p
1s22s22p63s¹
1s²2s²2p63s²3p64s²
1s²2s²2p 3s 3p64526
1s22s²2p 3s 3p6452910
1s22s22p63s23p6 4s23d¹04p5
1s22s22p63s23p6 4s²3d¹04p65s²
1s22s22p635²3p45²30¹04p652410
1s²2s²2p6 35² 3p64s²3d¹04p65s²4d¹⁰0 5p6
1s²2s²2p6 35² 3p64s²3d¹04p65s²4d¹0 5p66s¹
1s22s²2p63s23p64s23d¹04p65s²4d105p6 6s²4f¹45d¹0 6p²
1s²2s²2p63s² 3p64s23d104p65s²4d¹0 5p66s²4f145d¹0 6p67s²
2. Number of
Valence Electrons
3. Group
Number
Expert Solution
Step 1
Valence electrons are the electrons which are present in the outermost shell. These valence electrons are most loosely bound electrons as they are far apart from the nucleus.
Valence electrons decide the property of the elements so the elements with same number of valence electrons are placed in the same group.
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