10. Periodic Properties of the Elements

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?

How many valence electrons are in a nitrogen (N) atom?

Which of the following elements can have expanded octets in their compounds?

How many valence electrons does a neutral magnesium (Mg) atom have?