Covalent Compounds

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 are covalent compounds?

Back

Covalent compounds are substances formed when two or more nonmetals bond by sharing electrons.

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

How do you determine the number of valence electrons in an element?

Back

The number of valence electrons can be determined by the group number of the element in the periodic table.

Front

What is a Lewis structure?

Back

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

Front

What is the prefix for the number 2 in covalent compounds?

Back

The prefix for the number 2 is 'di-'.

Front

What is the prefix for the number 5 in covalent compounds?

Back

The prefix for the number 5 is 'penta-'.

Front

What is the difference between a single bond and a double bond?

Back

A single bond involves one pair of shared electrons, while a double bond involves two pairs of shared electrons.

Front

What is the molecular formula for water?

Back

The molecular formula for water is H₂O.

Front

What is the name of the compound CO₂?

Back

The name of the compound CO₂ is carbon dioxide.