LT 5 - Ionic and Covalent

Front

What is a covalent bond?

Back

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

Front

How many valence electrons does hydrogen have?

Back

Hydrogen has 1 valence electron.

Front

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

Back

The molecular structure of carbon dioxide consists of one carbon atom double bonded to two oxygen atoms (O=C=O).

Front

Which of the following is a covalent compound: NaCl, Pb(NO3)2, CO2, AlCl3?

Back

CO2 is a covalent compound.

Front

What is the charge on an Aluminum ion?

Back

The charge on an Aluminum ion is +3.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions.

Front

How many valence electrons does oxygen have?

Back

Oxygen has 6 valence electrons.

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.

Front

What is the formula for sodium chloride?

Back

The formula for sodium chloride is NaCl.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged ion composed of two or more atoms bonded together.