1 / 6

Dmitri Mendeleev

Dmitri Mendeleev. 1834-1907. Mendeleev’s great achievement:. Arranging all of the ___________________ into groups possessing similar properties. The ____________ at that time were identified by their ____________________. Mendeleev’s first sketch of a periodic table of the elements.

jenna-gamble
Télécharger la présentation

Dmitri Mendeleev

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Dmitri Mendeleev 1834-1907

  2. Mendeleev’s great achievement: • Arranging all of the ___________________into groups possessing similar properties. • The ____________at that time were identified by their ____________________. Mendeleev’s first sketch of a periodic table of the elements

  3. Details of how Mendeleev designed the first Periodic Table of Elements • He wrote down information on each __________ on cards.  • He noticed that the ________________ (we now refer to as the _______________) could be used to rank the elements from lightest to heaviest.    

  4. Details of how Mendeleev designed the first Periodic Table of Elements • Mendeleev noticed that if you looked at their ___________________there was a ___________________, especially if you left spaces where the properties did not fit.  • He stressed that there was ______________, and that this order would help ___________________not yet discovered.    

  5. Mendeleev’s table as published in 1869, with many gaps and uncertainties

  6. Details of how Mendeleev designed the first Periodic Table of Elements • Mendeleev predicted the properties of _________, _________, and _______.   • Gallium, scandium, and germanium were also found to fit his predictions.  • There were some discrepancies, but the format of the table is the basis of today’s periodic table.    • Mendeleev’s table as published in _________.

More Related