2.1 Ionic vs covalent bonding

Front

What type of bond is formed when two nonmetals share electrons?

Back

Covalent bond.

Front

What is the charge of a negatively charged ion?

Back

It has gained one or more electrons.

Front

How many covalent bonds can nitrogen form? (atomic number 7)

Back

3

Front

What is the result when a nonmetal gains an electron?

Back

It becomes a negatively charged ion.

Front

How many hydrogen atoms are needed to bond with one oxygen atom to achieve a stable valence shell of 8?

Back

2

Front

How many valence electrons does nitrogen have? (atomic number = 7)

Back

5

Front

How many unpaired valence electrons does an oxygen atom have? (atomic number = 8)

Back

2

Front

What is the octet rule?

Back

Atoms tend to bond in such a way that they have eight electrons in their valence shell.

Front

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

Back

Ionic bond.

Front

What happens to the electrons in an ionic bond?

Back

Electrons are transferred from one atom to another.