Questions and Answers
How many electrons are in the outermost shell of a noble gas?
8
Which type of element has an electron configuration of 1s²2s²2p⁶3s²3p⁶4s¹?
alkali metal
In which group and period is barium (Ba) located?
Group 2, Period 6
How many valence electrons does tin (Sn) have?
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What do elements in the p-block have in common?
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Study Notes
Noble Gases
- Noble gases have 8 electrons in their outermost shell, achieving a stable electronic configuration.
Electron Configurations
- Elements with the electron configuration 1s²2s²2p⁶3s²3p⁶4s¹ are classified as alkali metals, known for their reactivity.
Barium (Ba) Characteristics
- Barium has two valence electrons in the 6s subshell, indicating it is located in Group 2 and Period 6 of the periodic table.
Valence Electrons in Tin
- Tin (Sn) possesses 4 valence electrons, contributing to its chemical properties and bonding behavior.
p-block Elements
- p-block elements share the characteristic of having valence electrons located in the p orbital, affecting their chemical reactivity and bonding with other elements.
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Description
Test your knowledge of noble gases and element classifications with these flashcards from Chapter 3.4. Gain insights into electron configurations, valence electrons, and the periodic table through interactive learning. Perfect for students looking to enhance their understanding of chemistry concepts.
