Orbital Hybridization

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Total cards: 20•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (20)

Front (Question)

Carbon atom bonded to three other groups is said to have _______ orbital hydridization

Back (Answer)

Sp2

Front (Question)

Carbon atom bonded to four other groups is said to have _______ orbital hydridization

Back (Answer)

Sp3

Front (Question)

Carbon atom bonded to two other groups is said to have _______ orbital hydridization

Back (Answer)

Front (Question)

Carbon atom having one double bond and two single bonds is said to have _______ orbital hydridization

Back (Answer)

Sp2

Front (Question)

Carbon atom having one triple bond is said to have _______ orbital hydridization

Back (Answer)

Front (Question)

In orbital hybridization, what is it called when orbitals mix to form new orbitals with the same energy?

Back (Answer)

Degenerate orbitals

Front (Question)

During sp³ hybridization, which orbitals combine to form degenerate orbitals?

Back (Answer)

One s orbital and three p orbitals combine to form four degenerate sp³ orbitals.

Front (Question)

Which type of covalent bond is stronger and more stable: sigma (σ) or pi (π) bond?

Back (Answer)

Sigma (σ) bond

Front (Question)

What type of bond forms from the head-on overlap of orbitals?

Back (Answer)

Sigma (σ) bond

#10

Front (Question)

What type of bond forms from the sideways overlap of p orbitals?

Back (Answer)

Pi (π) bond

#11

Front (Question)

How many sigma and pi bonds are in a single bond?

Back (Answer)

sigma bond only

#12

Front (Question)

How many sigma and pi bonds are in a double bond?

Back (Answer)

1 sigma bond and 1 pi bond

#13

Front (Question)

How many sigma and pi bonds are in a triple bond?

Back (Answer)

1 sigma bond and 2 pi bonds

#14

Front (Question)

Which bond type restricts rotation around the bond axis: sigma or pi?

Back (Answer)

Pi bond – it locks the molecule’s structure and prevents free rotation causing planar molecular structure.

#15

Front (Question)

What counts as one electron domain when determining molecular geometry?

Back (Answer)

A single bond, a double or triple bond, or a lone pair all count as one electron domain each.

#16

Front (Question)

How do you count electron domains around a central atom?

Back (Answer)

Count: • Each bond (single, double, triple) as 1 domain • Each lone pair as 1 domain

#17

Front (Question)

How do you determine the orbital hybridization from electron domains?

Back (Answer)

• 2 domains → sp • 3 domains → sp² • 4 domains → sp³ • 5 domains → sp³d • 6 domains → sp³d²

#18

Front (Question)

What is the shape and bond angle of an atom with 2 electron domains (sp)?

Back (Answer)

Linear shape, 180° bond angle

#19

Front (Question)

What is the shape and bond angle of an atom with 3 electron domains (sp²)?

Back (Answer)

Trigonal planar shape, 120° bond angle

#20

Front (Question)

What is the shape and bond angle of an atom with 4 electron domains (sp³)?

Back (Answer)

Tetrahedral shape, 109.5° bond angle