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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

Naturally occurring copper consists of 63Cu (mass 62.9296 amu) and 65Cu (mass 64.9278 amu), with an average mass of 63.546 amu. What is the percent composition of Cu in terms of these two isotopes?

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

Open the Build a Molecule simulation (http://openstaxcollege.org/l/16molbuilding) and select the 鈥淟arger Molecules鈥� tab. Select an appropriate atoms 鈥淜it鈥� to build a molecule with two carbon and six hydrogen atoms. Drag atoms into the space above the 鈥淜it鈥� to make a molecule. A name will appear when you have made an actual molecule that exists (even if it is not the one you want). You can use the scissors tool to separate atoms if you would like to change the connections. Click on 鈥�3D鈥� to see the molecule, and look at both the space-filling and ball and-stick possibilities.(a) Draw the structural formula of this molecule and state its name.(b) Can you arrange these atoms in any way to make a different compound?

Repeat Exercise 2.20 using an element that has three naturally occurring isotopes.

Use the periodic table to give the name and symbol for each of the following elements:

(a) the halogen in the same period as the alkali metal with 11 protons

(b) the alkaline earth metal in the same period with the neutral noble gas with 18 electrons

(c) the noble gas in the same row as an isotope with 30 neutrons and 25 protons

(d) the noble gas in the same period as gold
See all solutions

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