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Chapter 1: Problem 92

Which one of the following is an elemental substance: water, \(\mathrm{H}_{2} \mathrm{O} ;\) bronze, made by melting copper and tin together; table salt, \(\mathrm{NaCl}\); ozone, \(\mathrm{O}_{3} ;\) sulfur dioxide, \(\mathrm{SO}_{2} ?\)

Short Answer

Expert verified
The elemental substance among the given options is ozone, \(\mathrm{O}_{3}\), as it is the only substance consisting of a single type of atom (oxygen).

Step by step solution

01

Define elemental substance

An elemental substance is a substance that consists of only one type of atom. To identify the elemental substance among the given options, we need to examine the composition of each substance and determine if it is made up of only one type of atom.
02

Analyze the composition of each substance

- Water, \(\mathrm{H}_{2}\mathrm{O}\), is made up of two hydrogen atoms (H) and one oxygen atom (O). - Bronze is a metallic alloy made by melting copper and tin together, so it contains at least two different types of atoms: copper (Cu) and tin (Sn). - Table salt, \(\mathrm{NaCl}\), consists of one sodium atom (Na) and one chlorine atom (Cl). - Ozone, \(\mathrm{O}_{3}\), is composed of three oxygen atoms (O). - Sulfur dioxide, \(\mathrm{SO}_{2}\), contains one sulfur atom (S) and two oxygen atoms (O).
03

Determine the elemental substance among the options

Among these substances, ozone, \(\mathrm{O}_{3}\), is the only substance that consists of a single type of atom (oxygen). All the other substances are made up of two or more different types of atoms.
04

State the answer

The elemental substance among the given options is ozone, \(\mathrm{O}_{3}\).

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Most popular questions from this chapter

Which of the following are compounds? (a) sulfur \(\left(\mathrm{S}_{8}\right)\) (b) mixture of iron powder and aluminum powder (c) mixture of \(\mathrm{O}_{2}\) gas and \(\mathrm{N}_{2}\) gas (d) sulfur dioxide \(\left(\mathrm{SO}_{2}\right)\) (e) ammonia ( \(\mathrm{NH}_{3}\) )

Flour is mixed with powdered sugar, and then the combination is ground to a fine dust. Is the resulting product a solution or a heterogeneous mixture? Explain.

The United States started to undergo electrification in the late \(1800 \mathrm{~s}\), with the first example of widespread electric lighting at the 1893 Chicago World's Fair by Nikola Tesla. In 1831 , Michael Faraday discovered electromagnetic induction, which uses magnets to produce electricity in a wire. Explain which is an example of science and which an example of technology.

Which one of the following is a homogeneous mixture: orange juice with pulp, wood, fog, bronze (made by melting copper and tin together)?

True or false? A compound is a pure substance, but a pure substance need not be a compound. Give examples to prove your answer.
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