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Naming Binary Covalent Compounds

Naming Binary Covalent Compounds. Covalent Compounds. Formed between two non-metals Valence electrons are shared between atoms. Binary Covalent Compounds. Contain just two different types of non-metal elements. Some Different Rules.

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Naming Binary Covalent Compounds

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  1. Naming Binary Covalent Compounds

  2. Covalent Compounds • Formed between two non-metals • Valence electrons are shared between atoms

  3. Binary Covalent Compounds • Contain just two different types of non-metal elements

  4. Some Different Rules • Covalent compound have a few rules to naming to those of ionic compound • When non-metals combine they can form several different covalent compounds Example: Carbon and oxygen combine to form two common covalent compounds CO2 and CO Each of these compounds have their own names

  5. Rules for Naming Covalent Compounds 1. Always write/name the element with more metallic character first. Metallic character increases going from right to left, and top to bottom on the Periodic Table.

  6. Rules for Naming Covalent Compounds 2. Then write/name the second (less metallic) element, changing the ending of its name to –”ide”

  7. Rules for Naming Covalent Compounds 3. Since nonmetals often combine in different proportions to form a number of different compounds, prefixesmust be included in the names to indicate the numbers of each kind of atom present.

  8. Prefixes

  9. Example P4S3 Tetraphosphorustrisulfide

  10. Prefix Exception • The mono- prefix is usually not used for the first element in the formula. • Example: BCl3 boron trichloride

  11. Prefix Exception • Never use any prefixes at all for simple covalent compounds containing Hydrogen • Example: HF hydrogen fluoride

  12. Prefix Exception • The "o" and "a" endings of these prefixes are dropped when they are attached to "oxide." • Example: N2O5dinitrogenpentoxide

  13. Order Exceptions • Generally, they are in the same left-to-right order that they have on the periodic table, except that you would have to squeeze hydrogen in between nitrogen and oxygen. • Examples: NH3 ammonia CH4 methane H2O water

  14. Diatomic Molecules • Element that consists of two atoms combined Examples: F2 fluorine N2 nitrogen

  15. Practice Naming Covalent Compounds SiF4 silicon tetrafluoride

  16. Practice Naming Covalent Compounds N2S3 dinitrogentrisulfide

  17. Practice Naming Covalent Compounds HBr hydrogen bromide

  18. Practice Naming Covalent Compounds Br2 bromine

  19. Practice Naming Covalent Compounds N10O4 decanitrogen tetroxide

  20. Practice Writing Formulas of Covalent Compounds B2H6 diboronhexahydride

  21. Practice Writing Formulas of Covalent Compounds NBr3 nitrogen tribromide

  22. Practice Writing Formulas of Covalent Compounds SCl6 Sulfur hexachloride

  23. Practice Writing Formulas of Covalent Compounds P2O5 diphosphoruspentoxide

  24. Practice Writing Formulas of Covalent Compounds N3S trinitrogenmonosulfide

  25. Practice Writing Formulas of Covalent Compounds P8O7 octaphosphorusheptoxide

  26. Review WorksheetNaming Covalent Compounds

  27. Write the Chemical Formula for the following Covalent Compound SbBr3 Antimony tribromide

  28. Write the Chemical Formula for the following Covalent Compound B6Si Hexaboron silicide

  29. Write the Chemical Formula for the following Covalent Compound ClO2 Chlorine dioxide

  30. Write the Chemical Formula for the following Covalent Compound HI Hydrogen iodide

  31. Write the Chemical Formula for the following Covalent Compound IF5 Iodine pentafluoride

  32. Write the Chemical Formula for the following Covalent Compound N2O3 Dinitrogen trioxide

  33. Write the Chemical Formula for the following Covalent Compound NH3 ammonia

  34. Write the Chemical Formula for the following Covalent Compound PI3 Phosphorus triiodide

  35. Write the Names for the following Covalent Compound P4S5 Tetraphosphoruspentasulfide

  36. Write the Names for the following Covalent Compound O2 oxygen

  37. Write the Names for the following Covalent Compound SeF6 Selenium hexafluoride

  38. Write the Names for the following Covalent Compound Si2Br6 Disiliconhexabromide

  39. Write the Names for the following Covalent Compound SCl4 Sulfur tetrachloride

  40. Write the Names for the following Covalent Compound CH4 methane

  41. Write the Names for the following Covalent Compound B2Si Diboron silicide

  42. Write the Names for the following Covalent Compound NF3 Nitrogen trifluoride

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