Which group has the greatest number of valence electrons?

What would you do if you told the guy you liked that you liked him

What happens to energy in an open system?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.