Earth Science Demystified by Linda D. Williams

Earth Science Demystified by Linda D. Williams

Author:Linda D. Williams
Language: eng
Format: epub, pdf
Publisher: McGraw-Hill Education
Published: 2004-04-09T04:00:00+00:00


Fig. 9-2. Crystalline solids have different configurations.

Fig. 9-3. Sodium chloride has a cubic crystalline structure.

Covalent bonding holds hard solids together. Assembled together in large nets or chains, covalent multilayered solids are extremely hard and stable in this type of configuration. Diamond atoms use this type of structure when arranged into three-dimensional solids. One carbon atom is covalently bonded to four other carbons. This strong crystalline structure makes diamond the hardest known organic solid.

Covalent crystals are all held together by single covalent bonds. This type of stable bonding produces high melting and boiling points.



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