Questions and Answers
What is the electron configuration for hydrogen (H)?
1s1
What is the electron configuration for bromine (Br)?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
What is the electron configuration for aluminum (Al)?
1s2 2s2 2p6 3s2 3p1
What is the electron configuration for silver (Ag)?
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What is the electron configuration for neon (Ne)?
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What is the electron configuration for lithium cation (Li 1+)?
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What is the electron configuration for sulfur anion (S 2-)?
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What is the electron configuration for calcium cation (Ca 2+)?
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What is the electron configuration for bromine anion (Br 1-)?
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What is the electron configuration for nitrogen anion (N 3-)?
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How do elements determine what charge to become when they become ions?
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Which noble gas does fluorine (F) want to be like, and what will it do to look like this noble gas? What charge will it form?
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Which noble gas does potassium (K) want to be like, and what will it do to look like this noble gas? What charge will it form?
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Which noble gas does aluminum (Al) want to be like, and what will it do to look like this noble gas? What charge will it form?
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Which noble gas does sulfur (S) want to be like, and what will it do to look like this noble gas? What charge will it form?
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Which noble gas does astatine (At) want to be like, and what will it do to look like this noble gas? What charge will it form?
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Study Notes
Electron Configurations of Elements
- Hydrogen (H): 1s1
- Bromine (Br): 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
- Aluminum (Al): 1s2 2s2 2p6 3s2 3p1
- Silver (Ag): 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9
- Neon (Ne): 1s2 2s2 2p6
- Lithium cation (Li 1+): 1s2
- Sulfur anion (S 2-): 1s2 2s2 2p6 3s2 3p6
- Calcium cation (Ca 2+): 1s2 2s2 2p6 3s2 3p6
- Bromine anion (Br 1-): 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
- Nitrogen anion (N 3-): 1s2 2s2 2p6
Ion Formation and Noble Gas Configuration
- Elements strive for electron configurations similar to noble gases, known for their stability.
- To achieve this, they may lose or gain electrons based on proximity to the nearest noble gas.
Specific Noble Gas Configurations
- Fluorine (F) aims to resemble Neon by gaining 1 electron, resulting in a F 1- charge.
- Potassium (K) seeks to resemble Argon and will lose 1 electron to form K 1+ charge.
- Aluminum (Al) aspires to look like Neon and will lose 3 electrons, resulting in Al 3+ charge.
- Sulfur (S) wants to be like Argon by gaining 2 electrons, forming S 2- charge.
- Astatine (At) seeks to achieve a configuration similar to Radon and will gain 1 electron, resulting in At 1- charge.
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Description
Test your knowledge of electron configurations with these flashcards covering various elements like hydrogen, bromine, aluminum, and silver. Each card provides the electron configuration in a clear and concise format for easier learning. Perfect for chemistry students wanting to master this key concept.
