Francium, of the  
feline persuasion
Janet Kuypers 
11/29/21 (Twitter-length Periodic Table poem 
for element #87, Francium (Fr) 
#janetkuyperstwitterverseperiodictablepoem 
on Facebook, Twitter, Instagram, and Tumblr
French chemist Marguerite Perey 
(a protégée of Marie Curie) 
discovered element 87 
& wanted to call it “catium” 
for it’s strong attraction to cathodes. 
Irène Joliot-Curie worried 
the name catium 
would be linked to house cats, 
so French chemist Perey 
settled on “Francium” instead. 
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