Understanding Molecular Geometry

What is the geometry called when two statically charged balloons are tied together and repel each other?

• Bent

• Tetrahedral

• Linear

• Trigonal planar

When three statically charged balloons are added, what geometry do they form?

• Linear

• Square planar

• Tetrahedral

• Trigonal planar

What geometry results from four electron pairs around a central atom?

• Linear

• Tetrahedral

• Trigonal planar

• Bent

In beryllium hydride, what is the geometry of the electron pairs around the central atom?

• Trigonal planar

• Tetrahedral

• Bent

• Linear

What is the molecular shape of water when considering only the atoms?

• Trigonal planar

• Bent

• Tetrahedral

• Linear

Why aren't the hydrogen atoms in water 180 degrees apart?

• Because of the hydrogen bonds

• Due to the oxygen atom size

• Due to the lone pairs

• Because of the bonding pairs

What is the molecular shape of ammonia when ignoring the lone pair?

• Trigonal planar

• Linear

• Trigonal pyramid

• Tetrahedral

How many electron pairs are around the nitrogen atom in ammonia?

• Five

• Two

• Three

• Four

What is the shape of hydrogen fluoride when considering its molecular geometry?

• Trigonal planar

• Linear

• Tetrahedral

• Bent

What is the first step in determining the geometry of a molecule?

• Count the number of electron pairs

• Identify the central atom

• Count the number of atoms

• Determine the bond angles