7C Exam Review

Front

What is the total number of electrons in HCN?

Back

10

Front

What is the correct Lewis Structure for the bond between Mg and Cl?

Back

D

Front

What is the correct formula for silicon tetrafluoride?

Back

SiF4

Front

How is the O2 molecule represented in a Lewis Dot Model?

Back

O=O

Front

What is the molecular structure of carbon dioxide (CO2)?

Back

O=C=O

Front

Define a Lewis Dot Structure.

Back

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Front

What is the significance of valence electrons in bonding?

Back

Valence electrons are the electrons in the outermost shell of an atom and are involved in forming bonds.

Front

How many valence electrons does chlorine have?

Back

7

Front

What is the octet rule?

Back

Atoms tend to bond in such a way that they have eight electrons in their valence shell.

Front

What is the molecular geometry of methane (CH4)?

Back

Tetrahedral.