1 / 6

Understanding Valence Trends in the Periodic Table

This resource explains the rules governing valence electrons in the periodic table, highlighting how metals and nonmetals behave differently. Metals can only lose electrons to form positively charged ions, while nonmetals can gain or lose electrons to achieve negative or positive charges, respectively. The positioning of metalloids is also discussed, as they can align with either metals or nonmetals based on their placement relative to the periodic table’s dividing line. Key examples include the electron configurations and charge states for alkali metals and halogens.

argus
Télécharger la présentation

Understanding Valence Trends in the Periodic Table

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. Valence trends on the periodic table.

  2. The Rules: Metals can ONLY lose e- = positively charged Nonmetals can gain or lose e- gain = negatively charged lose = positively charged For valences, the metalloids are grouped either With the metals or nonmetals, depending which Side of the line they are on

  3. Li = 1s22s1 Li+ = 1s2 = He Ca = 1s22s22p63s23p64s2 Ca+2 = 1s22s22p63s23p6 = Ar +1 +2

  4. +1 +2 +3 +4 +6 +7

  5. +1 +3 +5 +7 S = 1s22s22p63s23p4 S+4= 1s22s22p63s2 S+6 = 1s22s22p6= Ne +4 +6 +2

  6. -4 -3 -2 -1 S = 1s22s22p63s23p4 S-2 = 1s22s22p63s23p6 = Ar

More Related