t he
of d r C r o ss w o
s t n e m e l E
A P e r i o d i c Ta b l e
A C t i v i t y! The periodic table of elements is arranged in into columns and rows like a crossword. When scientists discover a new element, they fit it in the right spot according to its weight and behavior and – voila! – another piece in the puzzle of life.
RHODIUM
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