Covalent and ionic bonding

Front

What is the main characteristic of covalent bonding?

Back

Covalent bonding involves the sharing of electron pairs between atoms.

Front

What is the main characteristic of ionic bonding?

Back

Ionic bonding involves the transfer of electrons from one atom to another, resulting in the formation of charged ions.

Front

How many electrons are needed in the outer energy levels of an atom to be stable?

Back

8

Front

What charge does oxygen have when it becomes an ion?

Back

-2

Front

What happens to an atom when it loses an electron?

Back

It becomes a positive ion.

Front

What is the correct formula for ammonia?

Back

NH₃

Front

What type of bond is formed between two nonmetals?

Back

Covalent bond.

Front

What type of bond is formed between a metal and a nonmetal?

Back

Ionic bond.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to have eight electrons in their outer shell.