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Chapter 2: Q.45E (page 67)

Using the periodic table, predict whether the following chlorides are ionic or covalent: \(KCl,{\rm{ }}NC{l_3},{\rm{ }}ICl,{\rm{ }}MgC{l_2},{\rm{ }}PC{l_5},\)and \(CC{l_4}\).

Short Answer

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\(\begin{aligned}{}KCl \to Ionic\\NC{l_3} \to Covalent\\ICl \to Covalent\\MgC{l_2} \to Ionic\\PC{l_5} \to Covalent\\CC{l_4} \to Covalent\end{aligned}\)

Step by step solution

01

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

We know that,

  • Metals with Non-metals makes ionic compound.
  • Non-metals with Non-metals make a covalent compound.
  • Metalloids with Non-metals also make a covalent compound.
02

Step 2: Analysing given compounds one by one

  • \(KCl \to \)Consists of a metal and a non-metal. So, it is ionic.
  • \(NC{l_3} \to \)Consists of only non-metals. So, it is covalent.
  • \(ICl \to \)Consists of only non-metals. So, it is covalent.
  • \(MgC{l_2} \to \)Consists of a metal and a non-metal. So, it is ionic.
  • \(PC{l_5} \to \)Consists of only non-metals. So, it is covalent.
  • \(CC{l_4} \to \)Consists of only non-metals. So, it is covalent.

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Most popular questions from this chapter

The 18O: 16O abundance ratio in some meteorites is greater than that used to calculate the average atomic mass of oxygen on earth. Is the average mass of an oxygen atom in these meteorites greater than, less than, or equal to that of a terrestrial oxygen atom?

Use the Build a Molecule simulation (http://openstaxcollege.org/l/16molbuilding) to repeat Exercise 2.34, but build a molecule with two carbons, six hydrogens, and one oxygen.(a) Draw the structural formula of this molecule and state its name.(b) Can you arrange these atoms to make a different molecule? If so, draw its structural formula and state its name.(c) How are the molecules drawn in (a) and (b) the same? How do they differ? What are they called (the type of relationship between these molecules, not their names)?

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)?

For each of the following compounds, state whether it is ionic or covalent. If it is ionic, write the symbols for the ions involved:

  1. NF3
  2. BaO
  3. (NH4)2CO3
  4. Sr(H2PO4)2
  5. IBr
  6. Na2O

An element has the following natural abundance, and isotopic masses; 90.90% abundance with 19.99 amu, 0.26% abundance with 20.99 amu, and 8.82% abundance with 21.99 amu. Calculate the average atomic mass of this element.

See all solutions

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