# C Atom

### What is the hybridization in #'CO'_2#?

• C/C language support in Atom Adds syntax highlighting and snippets to C/C files in Atom. Originally converted from the C TextMate bundle. Contributions are greatly appreciated.
• Alternative Title: C Carbon (C), nonmetallic chemical element in Group 14 (IVa) of the periodic table. Although widely distributed in nature, carbon is not particularly plentiful—it makes up only about 0.025 percent of Earth’s crust—yet it forms more compounds than all the other elements combined.
Ernest Z. · mason m

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The carbon atom has $s p$ hybridization; the $' O '$ atoms have $s {p}^{2}$ hybridization.

#### Explanation:

You must first draw the Lewis structure for $' C O {'}_{2}$.

According to VSEPR theory, we can use the steric number$\left(' S N '\right)$ to determine the hybridization of an atom.

$' S N '$ = number of lone pairs + number of atoms directly attached to the atom.

• $' S N = 2 '$ corresponds to $s p$ hybridization.
• $' S N ' = 3 '$ corresponds to $s {p}^{2}$ hybridization.

We see that the $' C '$ atom has $' S N = 2 '$. It has no lone pairs, but it is attached to two other atoms.

It has $s p$hybridization.

### Atom C Linux

Each $' O '$ atom has $' S N = 3 '$. It has 2 lone pairs and is attached to 1 $' C '$ atom.

Just as the carbon atom hybridized to form the best bonds, so do the oxygen atoms.

### C Atomic Mass

The valence electron configuration of $' O '$ is $\left[' H e '\right] 2 {s}^{2} 2 {p}^{4}$.

To accommodate the two lone pairs and the bonding pair, it will also form three equivalent $s {p}^{2}$ hybrid orbitals.

Two of the $s {p}^{2}$ orbitals contain lone pairs, while the remaining $s {p}^{2}$ orbital and the unhybridized $p$ orbital have one electron each.

We can see this arrangement in the $' C = O '$ bond of formaldehyde, which is equivalent to the right-hand side of the $' O = C = O '$ molecule.

(from www.slideshare.net)

There is a similar arrangement on the left side of the $' O = C = O '$ molecule, but the $\pi$ bond is horizontal rather than vertical.

Here is a video about the hybridization of carbon dioxide.