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Chapter 9: Problem 1

What is a Lewis dot symbol? To what elements does the symbol mainly apply?

Short Answer

Expert verified
Lewis dot symbols represent the valence electrons around an atom symbol. They primarily apply to Main Group Elements in the periodic table, those in groups 1, 2, and 13-18.

Step by step solution

01

Definition of Lewis Dot Symbol

A Lewis dot symbol is a diagrammatic method that shows the valence electrons in an atom of a particular element. Valence electrons are represented as dots around the symbol of the element. These are the electrons in the atom's outermost shell which take part in chemical reactions.
02

Application of Lewis Dot Symbol

The Lewis dot symbols mainly apply to the elements in the periodic table. Most notably, they are widely used for Main Group Elements, those in Groups 1, 2, and 13-18. It can be used for all elements, however, it is most useful for and primarily used for the elements in the s and p blocks.

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Most popular questions from this chapter

The triiodide ion \(\left(\mathrm{I}_{3}^{-}\right)\) in which the \(\mathrm{I}\) atoms are arranged as III is stable, but the corresponding \(\mathrm{F}_{3}^{-}\) ion does not exist. Explain.

The chlorine nitrate molecule \(\left(\mathrm{ClONO}_{2}\right)\) is believed to be involved in the destruction of ozone in the Antarctic stratosphere. Draw a plausible Lewis structure for the molecule.

Four atoms are arbitrarily labeled \(\mathrm{D}, \mathrm{E}, \mathrm{F},\) and \(\mathrm{G}\). Their electronegativities are: \(\mathrm{D}=3.8, \mathrm{E}=3.3, \mathrm{~F}=\) \(2.8,\) and \(\mathrm{G}=1.3\). If the atoms of these elements form the molecules DE, DG, EG, and DF, how would you arrange these molecules in order of increasing covalent bond character?

In which of the following states would \(\mathrm{NaCl}\) be electrically conducting? (a) solid, (b) molten (that is, melted), (c) dissolved in water. Explain your answers.

Write Lewis dot symbols for the following ions: (a) \(\mathrm{Li}^{+},(\mathrm{b}) \mathrm{Cl}^{-},(\mathrm{c}) \mathrm{S}^{2-},(\mathrm{d}) \mathrm{Sr}^{2+}\) (e) \(\mathrm{N}^{3+}\).
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