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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

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

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

Question: Write the formulas of the following compounds:

(a) rubidium bromide

(b) magnesium selenide

(c) sodium oxide

(d) calcium chloride

(e) hydrogen fluoride

(f) gallium phosphide

(g) aluminum bromide

(h) ammonium sulfate

A sample of magnesium is found to contain 78.70% of 24Mg atoms (mass 23.98 amu), 10.13% of 25Mg atoms (mass 24.99 amu), and 11.17% of 26Mg atoms (mass 25.98 amu). Calculate the average mass of a Mg atom.

Predict and test the behavior of ฮฑ particles fired at a โ€œplum puddingโ€ model atom.

(a) Predict the paths taken by ฮฑ particles that are fired at atoms with a Thomsonโ€™s plum pudding model structure. Explain why you expect the ฮฑ particles to take these paths.

(b) If ฮฑ particles of higher energy than those in (a) are fired at plum pudding atoms, predict how their paths will differ from the lower-energy ฮฑ particle paths. Explain your reasoning.

(c) Now test your predictions from (a) and (b). Open the Rutherford Scattering simulation (http://openstaxcollege.org/l/16PhetScatter) and select the โ€œPlum Pudding Atomโ€ tab. Set โ€œAlpha Particles Energyโ€ to โ€œmin,โ€ and select โ€œshow traces.โ€ Click on the gun to start firing ฮฑ particles. Does this match your prediction from (a)? If not, explain why the actual path would be that shown in the simulation. Hit the pause button, or โ€œReset All.โ€ Set โ€œAlpha Particles Energyโ€ to โ€œmax,โ€ and start firing ฮฑ particles. Does this match your prediction from (b)? If not, explain the effect of increased energy on the actual paths as shown in the simulation.

What are the IUPAC names of the following compounds?

  1. Manganese dioxide
  2. Mercurous chloride (Hg2Cl2)
  3. Ferric nitrate [Fe(NO3)3]
  4. Titanium Tetrachloride
  5. Cupric bromide (CuBr2)

In the following drawing, the green spheres represent atoms of a certain element. The purple spheres represent atoms of another element. If the spheres of different elements touch, they are part of a single unit of a compound. The following chemical change represented by these spheres may violate one of the ideas of Daltonโ€™s atomic theory. Which one?

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