Steric Number

What is the steric number of a molecule with 4 bonded atoms and no lone pairs?

• 2

• 3

• 4

• 5

How do you calculate the steric number of a molecule?

• Number of bonded atoms + number of lone pairs

• Number of bonded atoms - number of lone pairs

• Number of lone pairs only

• Number of bonded atoms only

A molecule has a steric number of 3. What is its possible geometry?

• Linear

• Trigonal planar

• Tetrahedral

• Octahedral

Which of the following molecules has a steric number of 2?

What is the steric number of ammonia (NH3)?

• 2

• 3

• 4

• 5

If a molecule has a steric number of 5, what is its hybridization?

• sp

• sp2

• sp3

• sp3d

Which of the following statements is true about steric number?

• It determines the molecular weight

• It helps predict molecular geometry

• It is used to calculate molarity

• It is irrelevant in molecular structure

A molecule with a steric number of 6 is likely to have which geometry?

• Linear

• Trigonal bipyramidal

• Octahedral

• Tetrahedral

What is the steric number of water (H2O)?

• 2

• 3

• 4

• 5

Which factor does not affect the steric number of a molecule?

• Number of bonded atoms

• Number of lone pairs

• Type of chemical bonds

• Total number of electrons