Table of Contents
- 1 How is the electron geometry of a molecule determined?
- 2 How do you predict the geometry of a molecule?
- 3 What is electron-pair geometry vs molecular geometry?
- 4 Is electron geometry and molecular geometry the same?
- 5 What is electron pair geometry vs molecular geometry?
- 6 What is electron geometry vs molecular geometry?
How is the electron geometry of a molecule determined?
Electron-group geometry is determined by the number of electron groups. Molecular geometry, on the other hand, depends on not only on the number of electron groups, but also on the number of lone pairs. When the electron groups are all bond pairs, they are named exactly like the electron-group geometry.
What are the 3 types of electron geometry?
Electron group geometries refer to the five geometries: linear, trigonal planar, tetrahedral, trigonal bipyramidal, or octahedral. If one or more of the bonding pairs of electrons is replaced with a lone pair, the electron geometry does not change but the the shape of the molecule is altered.
How do you predict the geometry of a molecule?
The valence shell electron-pair repulsion theory (abbreviated VSEPR) is commonly used to predict molecular geometry. The theory says that repulsion among the pairs of electrons on a central atom (whether bonding or non-bonding electron pairs) will control the geometry of the molecule.
What are the 5 basic electron geometry shapes?
The VSEPR theory describes five main shapes of simple molecules: linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral.
What is electron-pair geometry vs molecular geometry?
Re: Difference between molecular and electron geometry? Electron geometry describes the arrangement of electron groups. Molecular geometry describes the arrangement of atoms, excluding lone pairs.
What factors affect the geometry of a molecule?
Many factors lead to variations from the ideal bond angles of a molecular shape. Size of the atoms involved, presence of lone pairs, multiple bonds, large groups attached to the central atom, and the environment that the molecule is found in are all common factors to take into consideration.
Is electron geometry and molecular geometry the same?
The molecular geometry definition in chemistry is the arrangement of atoms in relation to a central atom in three-dimensional space. Electron geometry is the arrangement of electron groups. If all the electron groups are bonded, with no lone pairs, then the electron geometry and molecular geometry are the same.
What shapes are possible for a molecule with three atoms?
The N atom has three electron groups on it, two of which are bonded to other atoms. The molecular shape is bent….Example 10.
| Number of Electron Groups on Central Atom | Number of Surrounding Atoms | Molecular Shape |
|---|---|---|
| 3 | 3 | trigonal planar |
| 3 | 2 | bent |
| 4 | 4 | tetrahedral |
| 4 | 3 | trigonal pyramidal |
What is electron pair geometry vs molecular geometry?
What is electron pair geometry?
electron-pair geometry: arrangement around a central atom of all regions of electron density (bonds, lone pairs, or unpaired electrons) linear: shape in which two outside groups are placed on opposite sides of a central atom. molecular structure: structure that includes only the placement of the atoms in the molecule.
What is electron geometry vs molecular geometry?
Electron geometry describes the arrangement of electron groups. Molecular geometry describes the arrangement of atoms, excluding lone pairs. For example, in the case of a trigonal planar shape as defined by electron geometry, there are three bonds.
When you have 4 electron groups the electron geometry is tetrahedral?
4 electron pairs around a central atom adopt tetrahedral geometry.