10. Periodic Properties of the Elements

How many valence electrons does an oxygen atom have?

Which of the following elements can expand its valence shell to accommodate more than eight electrons?

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

How many valence electrons does an atom of argon (Ar) have?

Which term best describes the distance between the nucleus and the valence electrons in an atom?

How many valence electrons are present in a neutral lithium (Li) atom?

Which of the following pairs of elements have the same number of valence electrons?

In which orbitals are the valence electrons of carbon (C) located?

How many valence electrons does fluorine have?

What is the significance of carbon having four valence electrons?

How many valence electrons does mercury (Hg) have?

Which element has an outer shell electron configuration of 2s^2 2p^5?

How many valence electrons does antimony (Sb) have?

How many valence electrons does argon (Ar) have?

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