2021 Molecular Geometry

Front

What is the molecular geometry of a molecule with 2 bonded pairs and 2 lone pairs of electrons (AB2E2)?

Back

Bent

Front

What is the molecular geometry of a molecule with 3 bonded pairs and 0 lone pairs of electrons (AB3)?

Back

Trigonal Planar

Front

According to the octet rule, how many valence electrons do most elements need?

Back

8

Front

What is the shape of the water molecule (H2O)?

Back

Bent

Front

What is the molecular shape of SiCl4?

Back

Tetrahedral

Front

Define 'molecular geometry'.

Back

The three-dimensional arrangement of atoms within a molecule.

Front

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

Back

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

Front

What is the VSEPR theory?

Back

Valence Shell Electron Pair Repulsion theory; it predicts the shape of molecules based on the repulsion between electron pairs.

Front

What is the molecular geometry of a molecule with 4 bonded pairs and 0 lone pairs (AB4)?

Back

Tetrahedral

Front

What is the molecular geometry of a molecule with 3 bonded pairs and 1 lone pair (AB3E)?

Back

Trigonal Pyramidal