Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons.

Front

What is the Lewis dot structure?

Back

The 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

How many valence electrons does fluorine (F) have?

Back

Fluorine has 7 valence electrons.

Front

What is the molecular formula for ammonia?

Back

The molecular formula for ammonia is NH3.

Front

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

Back

A single line in a Lewis structure represents 2 shared electrons.

Front

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

Back

The molecular geometry of carbon dioxide is linear.

Front

What is the significance of lone pairs in covalent bonding?

Back

Lone pairs are pairs of valence electrons that are not shared with another atom and can affect the shape and reactivity of molecules.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration.

Front

What type of bond is formed between two nonmetals?

Back

A covalent bond is formed between two nonmetals.

Front

How does electronegativity affect covalent bonding?

Back

Electronegativity is the ability of an atom to attract shared electrons; differences in electronegativity between atoms can lead to polar covalent bonds.