What is linear molecular geometry?

Linear molecular geometry refers to the arrangement of atoms in a molecule where all the atoms are in a straight line. This type of geometry occurs when there are only two atoms in the molecule or when there is a central atom bonded to two other atoms with no lone pairs.

What are the types of linear molecular geometry?

There are two types of linear molecular geometry: linear and bent. In a linear geometry, all the atoms are in a straight line. In a bent geometry, the central atom is bonded to two other atoms, but also has one or more lone pairs. The presence of lone pairs creates a bent shape despite the linear connection between the atoms.

Linear molecular geometry
Bent molecular geometry

How to complete linear molecular geometry

To complete linear molecular geometry, follow these steps:

01
Identify the central atom in the molecule.
02
Determine the number of atoms bonded to the central atom.
03
Check for any lone pairs of electrons on the central atom.
04
Draw a line connecting all the bonded atoms in a straight line.
05
Ensure there are no lone pairs that disrupt the linear arrangement.

By following these steps, you can successfully determine and complete linear molecular geometry.

Video Tutorial How to Fill Out linear molecular geometry

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Questions & answers

0:06 1:36 Linear Molecular Geometry/Shape and Bond Angles - YouTube YouTube Start of suggested clip End of suggested clip So because we have these two oxygen atoms bonded to that central carbon there aren't any lone pairsMoreSo because we have these two oxygen atoms bonded to that central carbon there aren't any lone pairs on the carbon. This is a linear molecular geometry.
1 to determine the molecular geometry. If a molecule has 2 bonds and 0 lone pairs, it is linear. If a molecule has 3 bonds and 0 lone pairs, it is trigonal planar. If a molecule has 3 bonds and 1 lone pair, it is bent or angular.
Steps Used to Find the Shape of the Molecule Draw the Lewis Structure. Count the number of electron groups and identify them as bond pairs of electron groups or lone pairs of electrons. Name the electron-group geometry. Looking at the positions of other atomic nuclei around the central determine the molecular geometry.
If a molecule has 2 bonds and 0 lone pairs, it is linear. If a molecule has 3 bonds and 0 lone pairs, it is trigonal planar. If a molecule has 3 bonds and 1 lone pair, it is bent or angular. If a molecule has 4 bonds and 0 lone pairs, it is tetrahedral.
A linear molecule is one in which the atoms are arranged in a straight line (less than a 180° angle). The sp hybridization occurs at the central atom of molecules with linear electron-pair geometries. Carbon dioxide (O=C=O) and beryllium hydride BeH2 are examples of linear electron pairs and molecular geometry.
VSEPR Rules: Identify the central atom. Count its valence electrons. Add one electron for each bonding atom. Add or subtract electrons for charge (see Top Tip) Divide the total of these by 2 to find the total. number of electron pairs. Use this number to predict the shape.