10. Periodic Properties of the Elements

How many valence electrons are present in a molecule of HCN (hydrogen cyanide)?

How many electrons are present in the n = 3 shell of a neutral vanadium (V) atom?

How many valence electrons does hydrogen have?

Which atom in the ground state has a valence electron with the greatest amount of energy?

What is the significance of carbon having four valence electrons?

How many valence electrons does fluorine have?

An atom has 15 total electrons. How many electrons does it have in its outer (valence) shell?

Which of the following best describes valence electrons?

How many valence electrons does an oxygen atom have?

How many valence electrons does an atom of nitrogen (N) have?

How many electrons are required to completely fill the first energy level (n = 1) of an atom?

Krypton has 8 valence electrons. What is true about krypton?

Oxygen has a total of eight electrons. How many valence electrons does an oxygen atom possess?

How many electrons must barium (Ba) lose to achieve a noble-gas electron configuration?

How many valence electrons does a chlorine atom have?