Which is true of ionic compounds? A) They are good conductors as solids. B) They are made by sharing electrons. C) They are made of metals and nonmetals. D) They are electrically neutral when dissolved in a solution.

Ionic bonds are formed between elements where one is ‘happy’ to loose electrons (mostly metals) to attain stable electron configuration while the other is ‘happy’ to accept electrons (mostly non-metals) to achieve a stable electron configuration. The atoms, therefore, becomes charged after the loss/gain of electrons and come together by electrostatic forces.

An example of a compound formed by ionic bonds is NaCl. Na loses its valence electron to Cl to become [Na+][Cl-] while they both attain stable electron configuration of 2.8 & 2.8.8 respectively.

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Answer:

The correct answer is option C) "They are made of metals and nonmetals".

Explanation:

Ionic compounds are molecules that are comprised of two or more elements hold together by electrostatic forces. Ionic compounds are made of metals and nonmetals. For instance, an aluminum ion and a phosphorus ion are examples of a metal and a non metal that can form ionic compounds, respectively. Metals tend to lose electrons when they are in an ionic form, which makes them cations. On the other hand, nonmetals tend to gain electrons, becoming anions when they are in an ionic form.