UNIT 4 - Review

Front

What is an anion?

Back

An anion is a negatively charged ion that has gained one or more electrons.

Front

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

Back

An ionic bond is formed between a metal and a nonmetal.

Front

What is the correct name for the compound NiO?

Back

Nickel (II) oxide.

Front

What type of bond involves the sharing of electrons?

Back

A covalent bond involves the sharing of electrons.

Front

How many electrons are shared in a triple bond?

Back

In a triple bond, 6 electrons are shared.

Front

What is the charge of an anion?

Back

An anion has a negative charge.

Front

What is the charge of a cation?

Back

A cation has a positive charge.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the formula for calculating the number of valence electrons in an atom?

Back

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

Front

What is the significance of the octet rule in bonding?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving stability.