Questions: How many of these compounds are ionic? KBr, AlCl3, CO2, N2O

How many of these compounds are ionic? KBr, AlCl3, CO2, N2O
Transcript text: How many of these compounds are lonic? $\mathrm{KBr}, \mathrm{AlCl}_{3}, \mathrm{CO}_{2}, \mathrm{~N}_{2} \mathrm{O}$ 2 0 3 1
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Solution

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Solution Steps

Step 1: Identify Ionic Compounds

Ionic compounds are formed between metals and non-metals. We need to identify which of the given compounds are ionic.

Step 2: Analyze Each Compound
  1. KBr: Potassium (K) is a metal and bromine (Br) is a non-metal. This is an ionic compound.
  2. AlCl\(_3\): Aluminum (Al) is a metal and chlorine (Cl) is a non-metal. This is an ionic compound.
  3. CO\(_2\): Carbon (C) and oxygen (O) are both non-metals. This is a covalent compound.
  4. N\(_2\)O: Nitrogen (N) and oxygen (O) are both non-metals. This is a covalent compound.
Step 3: Count the Ionic Compounds

From the analysis, we have identified that KBr and AlCl\(_3\) are ionic compounds.

Final Answer

\(\boxed{2}\)

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