explain why scientists regarded the periodic table of the elements first as a curiosity, then as a useful tool and finally as an important summary of the structure of atoms?

  • -1 votes

Anyone have any good notes on this?

I know it was a curiosity to start with due to many elements being unknown and the incorrect structure of the table...

Posted Mon 4th March, 2013 @ 18:57 by Hoosierette

2 Answers

  • 0 votes

It was originally thought that all substances were made out of earth, fire and water. And there was no ideas about atomic structure to where to actually define a substance constituent. Early versions of the periodic table where arranged by composition thus showed inconsistencies and no gaps where left for new discoveries.

Answered Tue 5th March, 2013 @ 13:28 by Cymbeline
  • 0 votes

The Newland created the law of Octaves so he put all the elements in order of their atomic mass and then realised that generally every eigth element had similar properties. However this grouped together some elements that had really different properties. But then Mendeleev changed this slightly and left gaps in the periodic table for elements that hadn't been discovered yet and even predicted the properties of those elements.

Answered Tue 5th March, 2013 @ 21:16 by Antonia Loizou