Atoms and Bonding Unit 4

Front

What happens to the number of valence electrons as you move from left to right across the periodic table?

Back

The number of valence electrons increases.

Front

What is a common property of most molecular compounds?

Back

Most molecular compounds have low boiling points.

Front

How many electrons do Noble Gases have (excluding Helium)?

Back

Noble Gases have 8 electrons.

Front

What is a compound that results from an ionic bond called?

Back

An ionic compound.

Front

What is the conductivity of most molecular compounds?

Back

Most molecular compounds have no conductivity.

Front

What is the general trend of boiling points in molecular compounds compared to ionic compounds?

Back

Molecular compounds generally have lower boiling points than ionic compounds.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.

Front

What type of bond forms between two nonmetals?

Back

A covalent bond.

Front

What type of bond forms between a metal and a nonmetal?

Back

An ionic bond.