Part 02 Covalent Bonding and Covalent Compounds 2

Part 02 Covalent Bonding and Covalent Compounds

2. Covalent Bonding Between Unlike Atoms Example Draw the Lewis Dot and structural diagram for the molecule formed between hydrogen and fluorine. H F Lewis Dot Diagram H F Structural Diagram

H F - single covalent bond - formula, HF - name, hydrogen fluoride - the names of all binary compounds end in -ide - shape or molecular geometry, linear - HF(g), a toxic gas, is a binary covalent compound

2. Covalent Bonding Between Unlike Atoms Example Draw the Lewis Dot and structural diagram for the molecule formed between hydrogen and oxygen.

H O H H O No octet! Unpaired electron! Both hydrogens have duets. Oxygen has an octet. Structural Diagram

H H - O O H H single covalent bonds formula, H 2 O name, water shape or molecular geometry, angular H 2 O(l), a colorless, odorless, tasteless liquid is a binary covalent compound

2. Covalent Bonding Between Unlike Atoms Example Draw the Lewis Dot and structural diagram for the molecule formed between hydrogen and nitrogen.

H N H H N No octet! Unpaired electrons! No octet! Unpaired electron! H All hydrogens have H N H duets. Nitrogen has an octet.

N H H - N H H single covalent bonds formula, NH 3 name, ammonia shape, pyramidal (peer-am-i-doll) NH 3(g) a colorless, toxic gas with a pungent odor and taste is a binary covalent compound

2. Covalent Bonding Between Unlike Atoms Example Draw the Lewis Dot and structural diagram for the molecule formed between hydrogen and carbon.

H H C No octet! Unpaired electrons! H H CH No octet! Unpaired electrons! H CH H All hydrogens have duets. Carbon has an octet.

H - H C H H H single covalent bonds formula, CH 4 name, methane shape, tetrahedral (tetra-he-droll) CH 4(g), a colorless, odorless, tasteless, flammable gas is a binary covalent compound

3. Summary: Molecular Geometry a. Linear b. Angular c. Pyramidal d. Tetrahedral Assignment p. 78 (notes)