9. Electrons in Atoms and the Periodic Table

Complete each of the statements a to d using 1, 2, or 3: 1. decreases 2. increases 3. remains the same Going down Group 6A (16), d. the number of valence electrons

An atom of chlorine has several valence electrons in its ______.

In a simplified model, what primarily determines the chemical properties (reactivity and bonding behavior) of an atom?

In introductory chemistry, what is a valence electron?

Which element has 6 valence electrons in its outermost shell (as predicted by its group on the periodic table)?

How many valence electrons does a neutral carbon atom have?

How many valence electrons does a nitrogen atom have?

How many valence electrons does a neutral arsenic atom (As) have?

How many valence electrons does a neutral lithium atom (Li) have?

How many valence electrons are in a neutral atom of magnesium (Mg)?

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

Which of the following sets of elements all have exactly one valence electron (simplified main-group rule)?

How many valence electrons does silicon (Si) have?

How many valence electrons does an atom of sulfur (S) have?

How many valence electrons are in a neutral chlorine atom (Cl)?