help cemistriy?

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why was mendeleev's decision to leave blank spaces on his table sometimes referred to as his most significant contribution to the periodic table?

2006-11-20 14:26:32 · 2 answers · asked by Noor 3 in Science & Mathematics ➔ Chemistry

2 answers

for future generation to fill in the blank. this guy really knows what he's doing

2006-11-20 14:29:42 · answer #1 · answered by ¥op 6 · 1⤊ 0⤋

as far as I know, He left those blanks because he knew that there had to be missing elements there, and certainly he predicted the characteristics of those elements

2006-11-20 22:30:13 · answer #2 · answered by James Chan 4 · 0⤊ 0⤋