10. Periodic Properties of the Elements

Which of the following is the most important factor in determining how an atom will bond?

Where are valence electrons located in an atom?

How many valence electrons are present in a neutral atom of aluminum (Al)?

Which of the following elements has the greatest number of valence electrons available for bonding?

How many valence electrons does a silicon (Si) atom have?

Selenium has six valence electrons. What is the most common valence of selenium in its compounds?

How many valence electrons are present in a neutral atom of nitrogen?

How many unpaired electrons are present in a neutral calcium (Ca) atom?

How many valence electrons does an oxygen (O) atom have?

How many valence electrons does an iron atom (Fe) have?

How many valence electrons do the chalcogens possess?

How many valence electrons are present in an atom of argon (Ar)?

How many valence electrons does a fluorine atom have?

How many valence electrons does a hydrogen atom have?

What happens when a nitrogen atom fills its valence shell?