Ionic and Covalent Bonds

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons does hydrogen have?

Back

Hydrogen has 1 valence electron.

Front

What is the oxidation number of magnesium in magnesium chloride (MgCl₂)?

Back

+2

Front

What is the oxidation number of hydrogen in H₂O?

Back

+1

Front

What two types of atoms make a covalent bond?

Back

A covalent bond is formed between two nonmetals.

Front

What is the oxidation number of iron (Fe) in FeO?

Back

+2

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond that occurs when electrons are transferred from one atom to another, resulting in the formation of charged ions.

Front

What types of atoms typically form ionic bonds?

Back

Ionic bonds typically form between metals and nonmetals.

Front

What is the oxidation number of chlorine in NaCl?

Back

The oxidation number of chlorine in NaCl is -1.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons and the formation of ions, while covalent bonds involve the sharing of electrons between atoms.