10. Periodic Properties of the Elements

Which of the following elements has a complete valence electron shell?

How many electrons does a nitrogen atom gain in order to achieve a noble-gas electron configuration?

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

How many valence electrons does an atom of a group 15 element have in the periodic table?

How many valence electrons does gallium (Ga) have?

How many valence electrons does chlorine (Cl) have?

How many valence electrons does a neutral atom of chlorine possess?

How many valence electrons does silicon (Si) have?

How many valence electrons do elements in the nitrogen group (Group 15) have?

How many valence electrons does an oxygen atom have?

Which statement best explains how the valence electrons of an element determine its chemical reactivity?

How many valence electrons does a neutral rubidium (Rb) atom have?

How many valence electrons does beryllium (Be) have?

How many valence electrons does a chlorine (Cl) atom have?

How many valence electrons does potassium (K) have?