Write the Lewis symbol for each atom or ion. b. Na⁺

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Key Concepts

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

Lewis Symbols

Lewis symbols, also known as Lewis dot diagrams, represent the valence electrons of an atom or ion. Each dot corresponds to a valence electron, and the arrangement of these dots around the chemical symbol indicates how the atom can bond with others. This visual representation helps in understanding the bonding behavior and reactivity of elements.

Valence Electrons

Valence electrons are the outermost electrons of an atom and are crucial in determining how an atom interacts with others. The number of valence electrons influences an atom's ability to form bonds, either by gaining, losing, or sharing electrons. For example, sodium (Na) has one valence electron, which it readily loses to form a Na+ ion.

Ionic Charge

Ionic charge refers to the electrical charge that an atom or ion carries due to the loss or gain of electrons. A positive charge, like in Na+, indicates that the atom has lost one or more electrons, resulting in a net positive charge. Understanding ionic charges is essential for predicting the behavior of ions in chemical reactions and their interactions with other ions.

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Formal Charge

Related Practice

Is this question formulated correctly? If not, please fix it and return the output as a JSON of the form: {'question': 'question text'}. Here is the question: Calculate ΔH° for the reaction H2(g) + Br2(g) → 2 HBr(g) using bond energy values. The ΔH°f of HBr(g) is not equal to one-half of the value calculated. Account for the difference.

Textbook Question

Write the electron configuration for N. Then write the Lewis symbol for N and show which electrons from the electron configuration are included in the Lewis symbol.

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