Exam 3 Dr. Laviska

How many sigma and pi bonds are in the following stucture

How many lone pairs are there in the lewis structure of SF₅^- ?

Which of the following is not ionic?

What are the chemical formulas for the following: sulfur pentoxide & triphosphorous decasulfide

Which structure is the better lewis structure for CH₂O?

A free radical...

If a lone pair were added to B on BCl₃ would the bond angle between each Cl increase or decrease and why?

On the final lewis structure of BCl₃ will there be any lone pairs on B?

What type of molecule is described by the following molecular orbital diagram?

What are the formal charges on the atoms circled below? Is this the best lewis structure possible?

Which of the following is the most nonpolar?

How many valence electrons are in the structure BCl₃?

What is the reasoning behind the lone pair being added to the equatorial position?

How many resonance structures does ozone have?

Is BCl₃ polar?

In ionic compounds, the cation is written before the anion

What is the hybridization of the bonds on sulfur? What is the electron pair geometry? Is this molecule polar?

What is the bond angle between each Cl and what is the hybridization of the three B-Cl bonds?

How many lone pairs will the Xe on XeF₄ have?

If there are no lone pairs on the central atom, the molecular geometry is always the same as the electron pair geometry

HClO₃ and HClO₂ respectively are called...

What are the hybridizations of the following circled atoms in alphabetical order?

If a carbon atom has three electron domains, which orbitals are going to be hybridized?

What is ozone's electron-pair/domain geometry? Is ozone polar?

What is the best explanation the peak in the for the following diagram?

What is the electron pair geometry and molecular geometry of BCl₃?

What is the BEST explanation for why the structure on the right the better one?

What is name of the following compound: FeCl₃

What is the bond order of the following molecule?

Which of the following CANNOT have an expanded octet

What is the name of the following?

An element in group 3 will normally have 3 electrons or dots in its lewis structure

Resonance structures have different numbers of electrons

As bond length increases...

Which properties correctly describe diamagnetic species?

If XlO₃^- is the X-ate, what would XlO₄^- and XlO₂^- be?

The number of molecular orbitals you end up with when two atoms bond...

When drawing cations you add dots to the lewis structure and you remove dots for anions

The prefix -mono is usually emitted for the first element in a binary molecular compound

When a chemical bond is broken....

What are the formal charges on the oxygens going left to right?

What is the hybridization for the central atom in XeF₄?

What ionic compound does Ca and As make?

What is the energy released upon formation of an ionic bond called?

What is the steric number and bond angles of PCl₅ ?

What is the name of hydrogen chloride when it is dissolved in water?

If a chlorine was replaced with a lone pair, which plane would that lone pair occupy?

What is the following compound's acidic name? HCN

Which is not a property of ionic bonds?

What are the names of the following: N₂O_{3 ;} PO_{3 ;} SiCl₄

What is the steric number and hybridization of SF₅^-?

What is the name of the following: H₃PO₄ & H₂CO₃