Shapes
Lewis Dot Structures
Geometry
AXE formula
Valence Electrons
100
The shape of BF3
What is trigonal planar?
100

Number of bonds in BF3?

What is 3?

100
The angle between atoms in a linear molecule.
What is 180?
100

AXE formula for BF3?

AX3

100

How many valence electrons does Carbon have?

4

200

The shape of CH4.

What is tetrahedral?

200
The number of lone pairs on the central atom in SF2
What is 2?
200
The angle between atoms in a tetrahedral molecule.
What is 109?
200

AXE formula for NH3?

AX3E

200

How many valence electrons does O have?

6

300
The shape of NH3
What is trigonal pyramidal?
300

The types of bond(s) in CO2

What is single and double?

300

The angle between atoms in the molecule NH3.

What is 109.5?

300

AXE formula for H2O?

AX2E2

300

How many valence electrons does N have?

5


400
The shape of H2O.
What is bent?
400

The number of bonds in N2?

What is 3?

400

The angle between atoms in the molecule O2.

What is 180?

400

AXE formula for CH4?

AX4

400

How many valence electrons does Si have?

4

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