Problem: Classify each of the following compounds as either ionic or molecular.a. MgCl2b. Na2Sc. H2Od. H2Se. SCl2f. KOHg. SiH4

FREE Expert Solution

We’re being asked to classify each given compound as either ionic or molecular

Let’s first differentiate an ionic compound and a molecular compound.


Ionic Compound

▪ composed of a positive ion called a cation connected to a negative ion called an anion.
positive ions (cations) are usually metals and negative ions (anion) are usually nonmetals

metal + nonmetal = ionic bond

▪ cations and anions can also be polyatomic ions (example: NH4+, C­H3COO-, SO42-)

Covalent or Molecular Compound

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Problem Details

Classify each of the following compounds as either ionic or molecular.

a. MgCl2

b. Na2S

c. H2O

d. H2S

e. SCl2

f. KOH

g. SiH4

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What scientific concept do you need to know in order to solve this problem?

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