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Looking for patterns in elements of life

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Introduction

Looking for patterns in elements 59 of the 92 naturally occurring elements had been discovered by 1850. Much of the work of trying to search for patterns in the elements was done by Johann Dobereiner and Lother Meyer in Germany John Newlands in England Dimitri Mendeleev In Russia ...read more.

Middle

Ti/* V/As Cr/Se Mn/Br Fe,Co,Ni Period5 Rb/Ag Sr/Cd Y/In Zr/Sn Nb/Sb Mo/Te */I Ru,Rh,Pd *-indicates element yet to be discovered Mendeleevs groupings were seen as more credible than previous attempts to find patterns in element. ...read more.

Conclusion

He predicted that the element would go between silicon and tin in his table. The element was discovered in 1886 and called germanium. Since mendellevs death in 1907: * 8 elements have been discovered * 24 elements have been made in the laboratory * the modern periodic table is based on mendellevs original table. See: Assignment 3 Activity EL3.1 Activity EL3.2 Activity EL3.3 Ideas 1.2 Ideas 11.1 Ideas11.2 ...read more.

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