Valence shells

Northern Illinois University

Valence shell battle on

Valen + ce

Valentine's day .... Cole Hall ... electron shell bullets

- Wikipedia

https://en.wikipedia.org › wiki › Northern_Illinois_University_shooting

The Northern Illinois University shooting was a school shooting that took place on February 14, ..... By 3:40 p.m., all NIU classes were canceled for the remainder of the day and the campus was closed by NIU officials as .... on Valentine's Day; Saint Valentine's Day Massacre, another Illinois mass shooting on Valentine's Day ...

Shooting · ‎Victims · ‎Perpetrator · ‎Reaction