Lewis Dot Diagrams PDF

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This is a worksheet on lewis dot structures. Have the kids practice it....

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Chem 1: Lewis Structure Practice Problems

Draw the correct Lewis structures for the following covalent molecules: a) b) c) d)

Find the total number of valence electrons Determine the central atom (least electronegative, often symmetrical) Place the preferred number of bonds and lone pairs when applicable (C, N, O, X) Check your answer (correct number of electrons, octets when necessary)

1. CO2

5. HCN

2. H2O

6. PBr5

3. O2

7. BH3

4. NF3

8. C2H6

Draw Lewis dot diagrams for the following MIXED compounds (some are IONIC…how can you tell?).

1. BCl3

5.

SF6

2. NaCl

6.

C2H2

3. C2H4Cl2

7.

K 2O

4. PO2Cl

8.

C4H10...