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Ch.8 - Basic Concepts of Chemical Bonding
Chapter 8, Problem 4a

The orbital diagram that follows shows the valence electrons for a 3+ ion of an element. (a) What is the element?

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Valence Electrons

Valence electrons are the outermost electrons of an atom and are crucial in determining how an element reacts chemically. They are involved in forming bonds with other atoms. The number of valence electrons can be inferred from the element's position in the periodic table, particularly for main group elements.
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Ion Formation

Ions are charged particles that form when atoms gain or lose electrons. A 3+ ion indicates that the element has lost three electrons, resulting in a positive charge. Understanding how ions form is essential for predicting the behavior of elements in chemical reactions and their stability.
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Orbital Diagrams

Orbital diagrams visually represent the distribution of electrons in an atom's orbitals. Each box in the diagram corresponds to an orbital, and arrows indicate the presence of electrons. Analyzing these diagrams helps identify the electron configuration of an element, which is key to determining its identity and properties.
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