Describe types of aspects that form covalent bonds. Explain how a covalent shortcut is formed. Distinguish between ionic and molecular compounds. Understand the meaning of prefixes provided in specify name molecular compounds. Distinguish between molecules and compounds.

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Water and diamonds - two very different materials. Water deserve to be found almost everywhere. It is in lakes, creeks, rivers, and oceans. We obtain water native the sky when it rains. Diamonds, top top the other hand, are very rare. They space only uncovered in a few locations top top the earth and also must it is in mined to end up being available. Significant diamond mines are situated in assorted African countries, Australia, and Russia. The joined States has actually several underground sources of diamonds in Alaska, Colorado, Minnesota, Montana, and Wyoming, but the only "active" U.S. Mine is the Crater that Diamonds mine in a state park near Murfreesboro, Arkansas. For a small fee, visitors can dig for diamonds. Friend won"t get rich through visiting, though - only a few hundred carats the low-grade diamonds are discovered each year.

The two materials do have at least one point in common. The atom in the materials are held together by covalent bonds. These bonds consist of electrons shared between two or an ext atoms. Unequal ionic bonds, whereby electrons room either shed or gained by an atom to form charged ions, electron in covalent compounds space shared between the 2 atoms, providing rise to nature that are quite different from those seen in ionic materials.

## Molecular Compounds

Molecular compounds room chrischona2015.orgical compounds that take the type of discrete molecules. Examples incorporate such familiar substances as water $$\left( \ceH_2O \right)$$ and carbon dioxide $$\left( \ceCO_2 \right)$$ (Figure $$\PageIndex1$$). These compounds are an extremely different indigenous ionic compounds like sodium chloride $$\left( \ceNaCl \right)$$. Ionic compound are formed when metal atoms lose one or more of your electrons to nonmetal atoms. The resulting cations and anions room electrostatically attracted to every other.

So what holds the atom of a molecule together? quite than forming ions, the atom of a molecule share your valence electrons in together a way that a bond forms in between pairs the atoms. In a carbon dioxide molecule, there are two of this bonds, each arising between the carbon atom and also one that the two oxygen atoms.

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Figure $$\PageIndex1$$: Carbon dioxide molecule consist the a central carbon atom external inspection to 2 oxygen atoms.