Test- Chapter 4-5

Bonds

100

These bonds are held together by electrons spending time in the vacant orbitals of neighbors, near and far.

What is metallic bonding?

200

Determine the chemical formula between strontium and nitrogen.  Also, identify the type of bond.

What is Sr₃N₂ and ionic bonding?

300

Determine the chemical formula between sodium and phosphate.

What is Na₃(PO₄)?

400

Determine the chemical formula of Fe⁺³ and cyanide.

What is Fe(CN)₃?

500

Determine the charge of Manganese in MnCl₂

What is +2?

Naming

100

What is the name for IBr

What is iodine monobromide?

200

What is the name for the molecule Cl₂O

What is dichlorine monoxide? 

300

Name the following compound: CuCl.

Copper (I) chloride

400

Name the following molecule: Ba(CO₃)

What is barium carbonate?

500

What allows ionic compounds to be so strong:

-atoms gaining an octet

-attraction of opposite charges

-both reasons listed above

What is attraction of opposite charges?

Inter/Intra-Molecular Forces

100

These intermolecular forces exist between a molecule of HBr and H₂O

What are Keesom (dipole/dipole) interactions?

200

These intramolecular forces exist in I₂.

What are covalent bonds?

300

These intermolecular forces exist between these two molecules: NH₃ and CH₄.

What are Debye (dipole/induced-dipole) interactions?

400

These intermolecular forces are present between I₂ and BH₃.

What are London dispersion (induced-dipole/induced-dipole) interactions?

500

These intramolecular forces are found in one molecule of hydrogen cyanide?

What are covalent AND ionic bonds?

H-bonds?

100

These are the requirements for H-bonding.

What are

-2 molecules

-one molecule with lone pair on N, O, or F

-one molecule with H bonded to N, O, or F

200

Can CH₄ form a hydrogen bond with water?

What is *NO*?

300

Can H₂CO₂ form an H-bond with water?

What is *YES*?

400

Can 2 molecules of hydrogen cyanide form an H-bond with each other?

What is *NO*?

500

Can CH₃OCH₃ form a H-bond with water?

What is *YES*?

Geometry

100

Carbon disulfide has this molecular geometry and bond angle

What is linear/180 degrees?

200

What is the approximate bond angle of OF₂?

What is 104.5 degrees?

300

What is the molecular geometry and bond angle of SF₆?

What is octahedral and 90 degrees?

400

What is the molecular geometry and bond angle of CH₂O?

What is trigonal planar and 120 degrees?

500

Determine the molecular geometry around the nitrogen atom found in N₂H₄.  Also provide an accurate dot structure and an approximate bond angle.

What is trigonal pyramidal and ~107 degrees?