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Give the systematic name for the following compounds that are found in everyday life: a. \(\mathrm{H}_{2} \mathrm{S}\) (rotten egg smell) b. \(\mathrm{SO}_{2}\) (smell of burnt matches) c. \(\mathrm{SF}_{6}\) (aerosol can propellant) d. \(\mathrm{Na}_{2} \mathrm{SO}_{3}\) (dried fruit preservative)

Short Answer

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a. Dihydrogen monosulfide b. Sulfur dioxide c. Sulfur hexafluoride d. Sodium sulfite

Step by step solution

01

a. \(\mathrm{H}_{2} \mathrm{S}\)

This compound consists of hydrogen (H) and sulfur (S). There are 2 atoms of hydrogen and 1 atom of sulfur. The systematic name will consist of the elements' names and the number of atoms in the form of prefixes. Systematic name: Dihydrogen monosulfide
02

b. \(\mathrm{SO}_{2}\)

This compound consists of sulfur (S) and oxygen (O). There is 1 atom of sulfur and 2 atoms of oxygen. The systematic name will include the elements' names and the count of atoms in the form of prefixes. Systematic name: Sulfur dioxide
03

c. \(\mathrm{SF}_{6}\)

This compound consists of sulfur (S) and fluorine (F). There is 1 atom of sulfur and 6 atoms of fluorine. As before, the systematic name will use the elements' names and prefixes to indicate the atom counts. Systematic name: Sulfur hexafluoride
04

d. \(\mathrm{Na}_{2} \mathrm{SO}_{3}\)

This compound is an ionic compound composed of sodium (Na) and sulfate (SO\(_3\)) ions. There are 2 sodium atoms and 1 sulfate ion (with 1 sulfur and 3 oxygen atoms). For ionic compounds, we name the cation (positive ion) first and the anion (negative ion) second. Systematic name: Sodium sulfite

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Systematic Naming
Systematic naming is an essential aspect of chemical nomenclature, simplifying the understanding of compound formulas and their respective structures. This naming method utilizes a set of rules to generate consistent and descriptive names for chemical compounds, which are universally accepted and understood.

When it comes to naming compounds, systematic names are formed using the IUPAC (International Union of Pure and Applied Chemistry) conventions. These conventions require that the names reflect the composition of the compounds through proper use of prefixes and the elements' names:
  • Binary compounds (those with two elements) often have names ending with '-ide'.
  • Prefixes like 'mono-', 'di-', 'tri-', are employed to indicate the number of each type of atom present.
  • The more electronegative element is listed second and its suffix is changed to '-ide'.

For instance, in dihydrogen monosulfide (\(\mathrm{H}_{2} \mathrm{S}\)), 'di-' indicates there are two hydrogen atoms, and 'mono-' suggests one sulfur atom. Adopting these guidelines ensures that compound names can be constructed and understood reliably across the globe.
Covalent Compounds
Covalent compounds consist of atoms bonded together by shared electrons. This sharing enables the molecules to achieve a stable electron configuration. Covalent bonds typically occur between nonmetal elements.

These compounds are named based on both the elements involved and the number of atoms for each element, reflected in prefixes that appear in the name. This guidance results in more precise and informative names.

For instance, let's break down covalent compounds from our examples:
  • Sulfur dioxide (\(\mathrm{SO}_{2}\)): With 'di-' meaning two, it indicates two oxygen atoms are present along with one sulfur atom.
  • Sulfur hexafluoride (\( \mathrm{SF}_{6}\)): The prefix 'hexa-' denotes the presence of six atoms of fluorine with one atom of sulfur.

The use of these systematic rules allows for the proper identification and differentiation of compounds based on their chemical formulas.
Ionic Compounds
Ionic compounds consist of positively charged ions, called cations, and negatively charged ions, called anions. These compounds are traditionally formed between metal and nonmetal elements.

The naming of ionic compounds follows a distinct protocol from covalent compounds. The cation is named first, followed by the anion. Since ionic compounds often involve complex ions or polyatomic ions, it's important to know the names and formulas of common polyatomic ions to effectively name ionic compounds.

An example from our original exercise is sodium sulfite (\(\mathrm{Na}_{2} \mathrm{SO}_{3}\)):
  • 'Sodium' is the name of the metal cation (Na). It always retains its elemental name.
  • 'Sulfite' refers to the polyatomic anion (\(\mathrm{SO}_{3}^{2-}\)).

Such systematic naming allows for efficient communication, ensuring that the structure and composition of compounds are accurately conveyed.

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Most popular questions from this chapter

Consider the elements of Group 4A (the 鈥渃arbon family鈥): C, Si, Ge, Sn, and Pb. What is the trend in metallic character as one goes down this group? What is the trend in metallic character going from left to right across a period in the periodic table?

Which of the following statements is(are) true? For the false statements, correct them. a. All particles in the nucleus of an atom are charged. b. The atom is best described as a uniform sphere of matter in which electrons are embedded. c. The mass of the nucleus is only a very small fraction of the mass of the entire atom. d. The volume of the nucleus is only a very small fraction of the total volume of the atom. e. The number of neutrons in a neutral atom must equal the number of electrons.

Identify the elements that correspond to the following atomic numbers. Label each as either a noble gas, a halogen, an alkali metal, an alkaline earth metal, a transition metal, a lanthanide metal, or an actinide metal. a. 17 b. 4 c. 63 d. 72 e. 2 f. 92 g. 55

Which of the following statements is(are) correct? a. The symbols for the elements magnesium, aluminum, and xenon are Mn, Al, and Xe, respectively. b. The elements \(P,\) As, and \(B\) i are in the same family on the periodic table. c. All of the following elements are expected to gain electrons to form ions in ionic compounds: Ga, Se, and Br. d. The elements \(\mathrm{Co},\) Ni, and Hg are all transition elements. e. The correct name for \(\mathrm{TiO}_{2}\) is titanium dioxide.

By analogy with phosphorus compounds, name the following: \(\mathrm{Na}_{3} \mathrm{AsO}_{4}, \mathrm{H}_{3} \mathrm{AsO}_{4}, \mathrm{Mg}_{3}\left(\mathrm{SbO}_{4}\right)_{2}\)

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