Lewis Structure and Molecular Geometry Flashcard

Front

What is the shape of a molecule with 3 bonding pairs and 1 lone pair?

Back

Trigonal pyramidal

Front

What is the molecular geometry of a molecule with 2 bonding pairs and 2 lone pairs?

Back

Bent

Front

How many total electrons are participating in bonding in the molecule CH₂O?

Back

8

Front

What is the correct dot diagram for fluorine (F)?

Back

A correct dot diagram for fluorine shows 7 valence electrons around the symbol F.

Front

What type of bond is formed when three pairs of electrons are shared?

Back

Triple bond

Front

What is the molecular geometry of a molecule with 4 bonding pairs and no lone pairs?

Back

Tetrahedral

Front

What is the bond angle in a trigonal planar molecule?

Back

120 degrees

Front

What is the significance of lone pairs in determining molecular geometry?

Back

Lone pairs occupy space and can affect bond angles and overall shape.

Front

What is the electron geometry of a molecule with 2 bonding pairs and 0 lone pairs?

Back

Linear

Front

How do you determine the number of valence electrons in a molecule?

Back

Add the valence electrons of each atom in the molecule.