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What are ionic and molecular compounds? Give examples.

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Answer:

While forming some compounds, atoms may gain or lose electrons, thereby forming electrically charged particles called ions. Compounds that are formed by the attraction of cations and anions are known as ionic compounds.
Ex : 2Na + Cl_2 \rightarrow 2Na + Cl^{-} \rightarrow 2NaCl (sodium chloride- common salt.)
Compounds formed by the bonding of uncharged species are known as molecular compounds. The bonding is called covalent bonding. Molecular compounds are formed by sharing of electrons between the two atoms. Ex: 2C + O_{2} \rightarrow 2CO (Carbon monoxide) 

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