Molecular Geometry

Question 1

AX₂

Answer 1

Linear

Bond Angle: 180°

A: 1 central atom

X: 2 bonded atoms

Question 2

AX₃

Answer 2

Trigonal planar

Bond angle: 120°

A: 1 central atom

X: 3 bonded atoms

Question 3

AX₂E1

Answer 3

Bent

Bond angle: <120°

A: 1 central atom

X: 2 bonded atoms

E: 1 lone pair

Question 4

AX₄

Answer 4

Tetrahedral

Bond angle: 109.5°

A: 1 central atom

X: 4 bonded atoms

Question 5

AX₃E₁

Answer 5

Trigonal Pyramidal

Bond angle: <109.5°

A: 1 central atom

X: 3 bonded atoms

E: 1 lone pair

Question 6

AX₂E₂

Answer 6

Bent

Bond Angle: <109.5

A: 1 central atom

X: 2 bonded atoms

E: 2 lone pairs

Question 7

AX₅

Answer 7

Trigonal Pyramid

Bond Angle: 120° and 90°

A: 1 central atom

X: 5 bonded atoms

Question 8

AX₄E₁

Answer 8

See Saw

Bond Angle: <120° and <90°

A: 1 central atom

X: 4 bonded atoms

E: 1 lone pair

Question 9

AX₃E₂

Answer 9

T-shaped

Bond Angle: <90°

A: 1 central atom

X: 3 bonded atoms

E: 2 lone pairs

Question 10

AX₂E₃

Answer 10

Linear

Bond Angle: 180°

A: 1 central atom

X: 2 bonded atoms

E: 3 lone pairs

Question 11

AX₆

Answer 11

Octahedral

Bond Angle: 90°

A: 1 central atom

X: 6 bonded atoms

Question 12

AX₅E₁

Answer 12

Square pyramidal

Bond Angle: <90°

A: 1 central atom

X: 5 bonded atoms

E: 1 lone pair

Question 13

AX₄E₂

Answer 13

Square Planar

Bond Angle: 90°

A: 1 central atom

X: 4 bonded atoms

E: 2 lone pairs