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Covalent Compounds and Naming

Covalent Compounds and Naming. Topic#14 Continued You can continue on the back side of your notes from yesterday. Covalent Compounds. Naming Covalent Compounds. What are covalent compounds? They consist of 2 non-metals When given a formula, first determine if it is an

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Covalent Compounds and Naming

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  1. Covalent Compounds and Naming Topic#14 Continued You can continue on the back side of your notes from yesterday

  2. Covalent Compounds

  3. Naming Covalent Compounds • What are covalent compounds? They consist of 2 non-metals When given a formula, first determine if it is an ionic or covalent compound. When covalent, name just like ionic compounds. The only difference is that you must add prefixes to state how many of each atom you have present.

  4. Hints for naming covalent compounds: • Must end in “-ide” • each element has a “prefix” • prefix refers to # of atoms not valence e- • Name cannot begin with “mono-” therefore it is dropped . • Ex. CO  carbon monoxide, not monocarbon monoxide • The first vowel is often dropped to avoid the combination of “ao” or “oo”. • CO = carbon monoxide(monooxide) • P4O10 = tetraphosphorusdecoxide (decaoxide)

  5. Writing Covalent Formulas • Covalent will share e- , therefore no charges will result. • WE DO NOT USE CHARGES TO WRITE FORMULAS FOR COVALENT COMPOUNDS!!!! • Simply read the prefix and assign it as a subscript. • Examples: • Dihydrogen monoxide • Tetrasulfurdinitride • Iodine Dioxide H2O S4N2 IO2

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