Chem 1 U3 Lewis Structures Flashcardizz 5

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 in the molecule.

Front

How many valence electrons does fluorine (F) have?

Back

Fluorine has 7 valence electrons.

Front

What is the total number of valence electrons in a molecule of fluorine (F2)?

Back

The total number of valence electrons in F2 is 14 (7 from each fluorine atom).

Front

What type of bond is formed between metals and nonmetals?

Back

Ionic bond.

Front

How many valence electrons are represented by a single line in a Lewis structure?

Back

2 valence electrons.

Front

What is the first step in drawing a Lewis structure?

Back

Determine the number of valence electrons available for bonding.

Front

How many covalent bonds does carbon need to form a full octet?

Back

Carbon needs to form 4 covalent bonds to achieve a full octet.

Front

What is an octet?

Back

An octet refers to a stable configuration of 8 valence electrons in the outer shell of an atom.

Front

What is the significance of lone pairs in Lewis structures?

Back

Lone pairs represent non-bonding valence electrons that can affect the shape and reactivity of the molecule.

Front

What is the difference between polar and non-polar covalent bonds?

Back

Polar covalent bonds occur when electrons are shared unequally between atoms, while non-polar covalent bonds occur when electrons are shared equally.