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3.1.3.5 Shapes of Simple Molecules and Ions

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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (7)

#1
Front (Question)

How do lone pairs affect bond angles?

Back (Answer)

Each lone pair restricts the bond angle by 2.5 degrees

#2
Front (Question)

What is the name and bond angle of a structure containing 2 bonds?

Back (Answer)

Linear, 180 degrees

#3
Front (Question)

What is the name and bond angle of a structure containing 3 bonds?

Back (Answer)

Trigonal planar, 120 degrees

#4
Front (Question)

What is the name and bond angle of a structure containing 4 bonds?

Back (Answer)

Tetrahedral, 109.5 degrees

#5
Front (Question)

What is the name and bond angle of a structure containing 5 bonds?

Back (Answer)

Trigonal bipyramid, 90 degrees and 120 degrees

#6
Front (Question)

What is the name and bond angle of a structure containing 6 bonds?

Back (Answer)

Octahedral, 90 degrees

#7
Front (Question)

What are the steps of molecular geometry?

Back (Answer)

• Count number of outer shell electrons of central atom • Electrons that bonding atoms bring • Add steps 1 and 2 • Divide by 2 to find electron pairs • Look at the molecule to work out lone pairs