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Chapter 2: Q58E (page 127)

Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds:

a. NiCO3

b. MoO3

c.Co(NO3)2

d. V2O5

e. MnO2

f. Fe2O3

Short Answer

Expert verified

a. Nickel Carbonate

b. Molybdenum trioxide

c. Cobalt nitrate

d. Vanadium (V) oxide

e. Manganese (IV) oxide

f. Iron (III) oxide

Step by step solution

01

Understanding the concept of ionic charges.

Generally, a large number of metals exhibit the property of showing multiple positive charges or ionic states. This property depends upon the entity forminga bond with the metal.The metal loses its electron according to the requirement of electrons by the other entity.

For example, Iron (Fe) can show two ionic states, i.e., +2 and +3

02

Determining the names of the compounds

(a)NiCO3= Nickel Carbonate

This is an ionic form ofNi2+andCO32-

(b) MoO3=Molybdenum trioxide

Molybdenum trioxide is the ionic form ofMo 6+three O2-ions.

(c) Co(NO3)2=Cobalt nitrate

Cobalt nitrate is an ionic form ofCo2+and two(NO3)-ions.

(d) V2O5= Vanadium (V) oxide

(e) MnO2=Manganese (IV) oxide

(f) Fe2O3=Iron (III) oxide

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Most popular questions from this chapter

Open theBuild an Atom simulation (http://openstaxcollege.org/l/16PhetAtomBld)and click on the

Atom icon.

a. Pick any one of the first 10 elements that you would like to build and state its symbol.

b. Drag protons, neutrons, and electrons onto the atom template to make an atom of your element.

State the numbers of protons, neutrons, and electrons in your atom, as well as the net charge and mass number.

c. Click on “Net Charge” and “Mass Number,” check your answers to (b), and correct, if needed.

d. Predict whether your atom will be stable or unstable. State your reasoning.

e. Check the “Stable/Unstable” box. Was your answer to (d) correct? If not, first predict what you can do to make a Stable atom of your element, and then do it and see if it works. Explain your reasoning.

The existence of isotopes violates one of the original ideas of Dalton’s atomic theory. Which one?

Use the build a molecule simulation (http://openstaxcollege.org/1/16molbuilding) to repeat Exercise 2.34, but build a molecule with three carbons, seven hydrogens, and one chlorine.

  1. Draw the structural formula of this molecule and state its name.
  2. Can u arrange these atoms to make a different molecule? If so, draw its structural formula and state its name.
  3. How are molecules drawn in (a) and (b) the same? How do they differs? What are they called (the type of relationship between these molecules, not their names)?

The following compounds are found in common household products. Name each of these compounds:

a. Ca(H3PO4)2

b. FeSO4

c. CaCO3

d. MgO

e. NaNO2

f. KI

An ion of platinum has a mass number of 195 and contains 74 electrons. How many protons and neutrons does it contain and what is it’s charge ?
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