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Ch.2 - Atoms, Molecules, and Ions
Brown - Chemistry: The Central Science 14th Edition
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Tutti i libri di testoBrown 14th EditionCh.2 - Atoms, Molecules, and IonsProblema 77c,d,e
Capitolo 2, Problema 77c,d,e

Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: (c) XeO3 (d) dinitrogen tetroxide (e) hydrogen cyanide

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1
Step 1: Identify the first element in the formula. In this case, it's 'Xe', which is the symbol for Xenon.
Step 2: Identify the second element in the formula. Here, it's 'O', which is the symbol for Oxygen.
Step 3: The subscript '3' after Oxygen indicates that there are three Oxygen atoms in the molecule.
Step 4: When naming binary molecular compounds, the first element is named as is, and the second element is named as if it were an anion. Therefore, 'O' becomes 'oxide'.
Step 5: The prefix 'tri-' is used to indicate the presence of three atoms of a certain element in the molecule. Therefore, 'O3' becomes 'trioxide'.
Step 6: Combine the names of the two elements. The name of the compound XeO3 is 'Xenon trioxide'.

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Binary Molecular Compounds

Binary molecular compounds consist of two different nonmetals. They are named using prefixes to indicate the number of atoms of each element present in the compound. For example, in the compound XeO3, 'Xe' represents xenon and 'O' represents oxygen, with the prefix 'tri-' indicating three oxygen atoms.
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Binary Acids

Naming Conventions

The naming of binary molecular compounds follows specific conventions. The first element is named using its full name, while the second element's name is modified to end in '-ide.' In the case of XeO3, it is named xenon trioxide, where 'trioxide' indicates the presence of three oxygen atoms.
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Rules for Naming Ketones

Chemical Formulas

Chemical formulas represent the composition of a compound using symbols for the elements and subscripts to indicate the number of atoms. In XeO3, 'Xe' denotes one atom of xenon, and 'O3' indicates three atoms of oxygen. Understanding how to interpret and write chemical formulas is essential for accurately naming compounds.
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Skeletal Formula
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