Chemistry: Atoms First (2nd Edition)

Published by Cengage Learning
ISBN 10: 1305079248
ISBN 13: 978-1-30507-924-3

Chapter 2 - Exercises - Page 99e: 99

Answer

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Work Step by Step

Here is the information you requested for each group of the representative elements (1A-8A): Group 1A (Alkali Metals): - Number of Valence Electrons: 1 - General Valence Electron Configuration: \( ns^1 \) - Sample Element: Lithium (Li) - Specific Valence Electron Configuration for Lithium: 2s^1 Group 2A (Alkaline Earth Metals): - Number of Valence Electrons: 2 - General Valence Electron Configuration: \( ns^2 \) - Sample Element: Beryllium (Be) - Specific Valence Electron Configuration for Beryllium: 2s^2 Group 3A: - Number of Valence Electrons: 3 - General Valence Electron Configuration: \( ns^2np^1 \) - Sample Element: Boron (B) - Specific Valence Electron Configuration for Boron: 2s^2 2p^1 Group 4A: - Number of Valence Electrons: 4 - General Valence Electron Configuration: \( ns^2np^2 \) - Sample Element: Carbon (C) - Specific Valence Electron Configuration for Carbon: 2s^2 2p^2 Group 5A: - Number of Valence Electrons: 5 - General Valence Electron Configuration: \( ns^2np^3 \) - Sample Element: Nitrogen (N) - Specific Valence Electron Configuration for Nitrogen: 2s^2 2p^3 Group 6A: - Number of Valence Electrons: 6 - General Valence Electron Configuration: \( ns^2np^4 \) - Sample Element: Oxygen (O) - Specific Valence Electron Configuration for Oxygen: 2s^2 2p^4 Group 7A (Halogens): - Number of Valence Electrons: 7 - General Valence Electron Configuration: \( ns^2np^5 \) - Sample Element: Fluorine (F) - Specific Valence Electron Configuration for Fluorine: 2s^2 2p^5 Group 8A (Noble Gases): - Number of Valence Electrons: 8 - General Valence Electron Configuration: \( ns^2np^6 \) - Sample Element: Neon (Ne) - Specific Valence Electron Configuration for Neon: 2s^2 2p^6
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