10. Periodic Properties of the Elements

Which of the following represents the valence electron configuration for a krypton (Kr) atom?

How many valence electrons do elements in Group 13 of the periodic table possess?

How many valence electrons does a neutral neon (Ne) atom have?

How many p electrons does selenium (Se), atomic number 34, possess in its ground state?

How many valence electrons are available for bonding in silicon (Si)?

How many valence electrons does beryllium (Be) have?

Which of the following pairs of elements have their valence electrons in the same shell?

Which of the following best describes the significance of valence electrons in an atom?

How many valence electrons does a neutral atom of aluminum (Al) possess?

Which electrons in an atom are primarily responsible for participating in chemical bonding?

Which of the following elements has the same number of valence electrons as aluminum?

What is the total number of outer (valence) electrons present in a molecule of sulfur dioxide (SO_2)?

Which of the following elements has two unpaired electrons in its ground-state electron configuration?

How many valence electrons does gallium (Ga) have?

How many valence electrons does potassium (K) have?