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Chapter 2: Q131CP (page 86)

Polyatomic ions are named by patterns that apply to elements in a given group. Using the periodic table and Table 2.5, give the name of each of the following:

(a) SeO42-; (b) AsO43-; (c) BrO2-; (d) HSeO4-; (e) TeO32-.

Short Answer

Expert verified

The naming for the following elements are,

  1. Selenate
  2. Arsenate
  3. Bromite
  4. Hydrogen selenate
  5. Tellurite

Step by step solution

01

Finding the name for SeO42-

Selenium is a polyatomic ion with four oxygen. The suffix can be changed into –ate depending on the name pattern. The name is selenate.

02

Finding the name for AsO42-

Arsenic is a polyatomic ion with four oxygen. The suffix can be changed into –ate depending on the name pattern. The name is arsenate

03

Finding the name for BrO2-

Bromine is a polyatomic ion with 2 oxygen. The suffix can be changed into –it depends on the name pattern. The name is bromite.

04

Finding the name for HSeO4-

Selenium is a polyatomic ion with four oxygen. The suffix can be changed into –ate depending on the name pattern. The name is hydrogen selenate

05

Finding the name for TeO32-

Thetellerium is a polyatomic ion with 3 oxygen. The suffix can be changed into –it depends on the name pattern. The name is tellurite.

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Most popular questions from this chapter

Each scene below represents a mixture. Describe each one in terms of the number of elements and/or compounds present.

Can the relative amounts of the components of a mixture vary? Can the relative amounts of the components of a compound vary? Explain.

Samples of illicit “street” drugs often contain an inactive component, such as ascorbic acid (vitamin C). After obtaining a sample of cocaine, government chemists calculate the mass of vitamin C per gram of drug sample, and use it to track the drug’s distribution. For example, if different samples of cocaine obtained on the streets of New York, Los Angeles, and Paris all contain 0.6384 g of vitamin C per gram of sample, they very likely come from a common source. Do these street samples consist of a compound, element, or mixture? Explain.

Define atomic number and mass number which can vary without changing the identity of the element?

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