For each of the following elements, write its chemical symbol, determine the name of the group to which it belongs (Table 2.3), and indicate whether it is a metal, metalloid, or nonmetal: (a) polonium (b) strontium (c) neon (d) rubidium (e) sulfur.

검증된 단계별 안내

Identify the chemical symbol for sulfur. The symbol for sulfur is 'S'.

Determine the group in the periodic table to which sulfur belongs. Sulfur is found in Group 16.

Name the group based on its common properties. Group 16 is known as the Chalcogens.

Classify sulfur as a metal, metalloid, or nonmetal. Sulfur is a nonmetal.

Summarize the information: Sulfur (S), belongs to the Chalcogens (Group 16), and is classified as a nonmetal.

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Chemical Symbols

Chemical symbols are one- or two-letter notations used to represent chemical elements. Each symbol is unique to an element and is derived from its English or Latin name, such as 'S' for sulfur. Understanding chemical symbols is essential for identifying elements in chemical equations and periodic tables.

Periodic Table Groups

The periodic table is organized into columns known as groups, which categorize elements based on similar properties. For example, sulfur belongs to Group 16, also known as the chalcogens. Recognizing the group of an element helps predict its chemical behavior and reactivity.

Metals, Metalloids, and Nonmetals

Elements are classified as metals, metalloids, or nonmetals based on their physical and chemical properties. Metals are typically shiny, conductive, and malleable; nonmetals are varied in appearance and poor conductors; metalloids exhibit properties of both. Sulfur is classified as a nonmetal, which influences its bonding and reactivity.

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교과서 질문

The structural formulas of the compounds n-butane and isobutane are shown below. (c) Which formulas—empirical, molecular, or structural—allow you determine these are different compounds?

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교과서 질문

The structural formulas of the compounds n-butane and isobutane are shown below. (b) Determine the empirical formula of each.

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교과서 질문

For each of the following elements, write its chemical symbol, locate it in the periodic table, give its atomic number, and indicate whether it is a metal, metalloid, or nonmetal: (a) radon (b) tellurium (c) cadmium (d) chromium (e) barium (f) selenium (g) arsenic.

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교과서 질문

Massspectrometry is more often applied to molecules than to atoms. We will see in Chapter 3 that the molecular weight of a molecule is the sum of the atomic weights of the atoms in the molecule. The mass spectrum of H₂ is taken under conditions that prevent decomposition into H atoms. The two naturally occurring isotopes of hydrogen are ¹H (atomic mass = 1.00783 amu; abundance 99.9885%) and ²H (atomic mass = 2.01410; abundance 0.0115%). (c) Which peak will be the largest, and which the smallest?

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