Ch. 8 - BOND THEORIES AND MOLECULAR GEOMETRY

The theory that states that covalent bonds are formed when orbitals of different

atoms overlap is called the _________ theory.

• valence bond

• VSEPR

• molecular orbital

• electron sea

what type of bond forms from orbital overlapping end to end

• pi

• sigma

• gamma

• delta

Which of the following bonds is the strongest?

• single

• double

• triple

• These are all equal in strength.

Tags

NGSS.HS-PS1-3

How many sigma and pi bonds are there in a molecule of N2?

• one sigma and two pi

• two sigma and one pi

• one sigma and one pi

• one sigma and zero pi

Tags

NGSS.HS-PS1-1

What relatively recent theory predicts the magnetic qualities of diatomic oxygen?

• valence bond theory

• bond hybridization theory

• VSEPR theory

• molecular orbital theory

Tags

NGSS.HS-PS2-5

The assumption that molecular shapes are largely determined by the repulsion of

regions of electron concentration is known as the _________ theory.

• valence bond

• VSEPR

• molecular orbital

• electron sea

What are the bond angles in a pure tetrahedral arrangement?

• 109.5°

• 120°

• 180°

• 360°

Which of the following molecules has a bent shape?

• NH3

• OF2

• CO2

• Cl2CO

The process by which new kinds of orbitals of equal energy are formed from a

combination of orbitals of different energies is known as _________.

• paramagnetism

• hybridization

• resonance

• energization

Which of the following compounds is polar?

• NH3

• Br2

• CH4

• CO2