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Chapter 2: Q.46E (page 67)

Using the periodic table, predict whether the following chlorides are ionic or covalent:\(SiC{l_4},PC{l_3},CaC{l_2},CsCl,CuC{l_2}{\rm{ and }}CrC{l_3}.\)

Short Answer

Expert verified

\(\begin{aligned}{}SiC{l_4} \to Covalent\\PC{l_3} \to Covalent\\CaC{l_2} \to Ionic\\CsCl \to Ionic\\CuC{l_2}{\rm{ }} \to Ionic\\CrC{l_3} \to Ionic\end{aligned}\)

Step by step solution

01

Step 1. Understanding which elements can make ionic and covalent compound

We know that,

  1. Metals with Non-metals makes ionic compound
  2. Non-metals with Non-metals makes covalent compound
  3. Metalloids with Non-metals also makes covalent compound
02

Step 2.  Analyzing given compounds one by one

\(SiC{l_4} \to \)Consists a metalloid and a non-metal. So, it is covalent.

\(PC{l_3} \to \)Consists only non-metals. So, it is covalent.

\(CaC{l_2} \to \)Consists a metal and a non-metal. So, it is ionic.

\(CsCl \to \)Contains one metal and a non-metal. So, it is ionic.

\(CuC{l_2}{\rm{ }} \to \)Consists a metal and a non-metal. So, it is ionic.

\(CrC{l_3} \to \)Consists a metal and a non-metal. So, it is ionic.

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Most popular questions from this chapter

Using the periodic table, classify each of the following elements as a metal or a nonmetal, and then further classify each as a main-group (representative) element, transition metal, or inner transition metal:

(a) cobalt

(b) europium

(c) iodine

(d) indium

(e) lithium

(f) oxygen

(h) cadmium

(i) terbium

(j) rhenium

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

a. Cr2O3

b. FeCl2

c. CrO3

d. TiCl4

e.CoO

f. MoS2

The following compounds are found in common household products. Write the formulas for each compound:

a. Potassium Phosphate

b. Copper (II) sulfate

c. Calcium Chloride

d. Titanium (IV) Dioxide

e. Ammonium nitrate

f. Sodium bisulfate (thecommon name for sodium hydrogen sulfate)

Determine the number of protons, neutrons, and electrons in the following isotopes that are used in medical diagnoses:

(a) atomic number 9, mass number 18, charge of 1-

b) atomic number 43, mass number 99, charge of 7+

(c) atomic number 53, atomic mass number 131, charge of 1-

(d) atomic number 81, atomic mass number 201, charge of 1+

(e) Name the elements in parts (a), (b), (c), and (d)

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)?
See all solutions

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