Naming Covalent Compounds Naming Covalent Compounds Rule A

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Naming Covalent Compounds

Naming Covalent Compounds

Naming Covalent Compounds Rule: • A prefix indicates the numbers of atoms of each

Naming Covalent Compounds Rule: • A prefix indicates the numbers of atoms of each element in the formula • Do not put a prefix when there is only one atom of the first element. • Charges are not important

Naming Covalent Compounds Prefix Number mono 1 di 2 tri 3 tetra 4 penta

Naming Covalent Compounds Prefix Number mono 1 di 2 tri 3 tetra 4 penta 5 hexa 6 hepta 7 octa 8 nona 9 deca 10

Naming Covalent Compounds • Example 1: CO 1. What is the left most element?

Naming Covalent Compounds • Example 1: CO 1. What is the left most element? How many atoms are there? Identify with a prefix. Do not put a prefix when there is only one atom of the first element. 1 C – monocarbon 2. What is the second element? Change the ending to “ide”. How many atoms are there? Identify with a prefix. 1 O – monoxide Name: CO = carbon monoxide

Naming Covalent Compounds • Example 2: N 2 O 3 1. What is the

Naming Covalent Compounds • Example 2: N 2 O 3 1. What is the left most element? How many atoms are there? Identify with a prefix. Do not put a prefix when there is only one atom of the first element. 2 N – dinitrogen 2. What is the second element? Change the ending to “ide”. How many atoms are there? Identify with a prefix. 3 O – trioxide Name: N 2 O 3 = dinitrogen trioxide

Naming Covalent Compounds • Example 3: CS 2 1. What is the left most

Naming Covalent Compounds • Example 3: CS 2 1. What is the left most element? How many atoms are there? Identify with a prefix. Do not put a prefix when there is only one atom of the first element. 1 C – carbon 2. What is the second element? Change the ending to “ide”. How many atoms are there? Identify with a prefix. 2 S – disulphide Name: CS 2 = carbon disulphide

Naming Covalent Compounds Common Names vs. Nomenclature • Example 4: CH 4 – •

Naming Covalent Compounds Common Names vs. Nomenclature • Example 4: CH 4 – • Example 5: NH 3 – • Example 6: H 2 O –

Naming Covalent Compounds Common Names vs. Nomenclature • Example 4: CH 4 – Carbon

Naming Covalent Compounds Common Names vs. Nomenclature • Example 4: CH 4 – Carbon Tetrahydride • Example 5: NH 3 – Nitrogen Trihydride • Example 6: H 2 O – Dihydrogen Monoxide

Elements Found in Pairs Some elements are more stable in singular form and bond

Elements Found in Pairs Some elements are more stable in singular form and bond with each other to increase stability H 2, O 2 F 2, Br 2, I 2, N 2 Cl 2 HOFBr. INCl

Naming Covalent Compounds

Naming Covalent Compounds

In-Class/Homework • Read 7. 4 CYU 7. 4 p. 195 Q’s 1 and 3

In-Class/Homework • Read 7. 4 CYU 7. 4 p. 195 Q’s 1 and 3 • Covalent Compounds Worksheet • Review Chapter 7 p. 198 Q’s 1 -21

Chapter 7 Review

Chapter 7 Review

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