H.W. #15 Unit 6

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons are in N2O?

Back

N2O has a total of 16 valence electrons.

Front

What is the molecular geometry of Cl2?

Back

The molecular geometry of Cl2 is linear.

Front

What is a Lewis dot structure?

Back

A Lewis dot structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Front

Which Lewis dot structure represents fluorine (F2)?

Back

The correct Lewis dot structure for F2 is represented by option B.

Front

What is BF3?

Back

BF3, or boron trifluoride, is a chemical compound with a trigonal planar molecular geometry.

Front

What is the VSEPR theory?

Back

The VSEPR (Valence Shell Electron Pair Repulsion) theory is based on the minimization of repulsion among valence electron pairs.

Front

What is the significance of molecular geometry?

Back

Molecular geometry determines the shape of a molecule, which influences its reactivity, polarity, and phase of matter.

Front

What is a trigonal planar geometry?

Back

Trigonal planar geometry occurs when a central atom is bonded to three other atoms, with 120-degree angles between the bonds.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.