January 11, 2025, 10:52:04 AM
Forum Rules: Read This Before Posting


« previous next »
Pages: [1]   Go Down

Topic: Lanthanides & Actinides  (Read 4041 times)

0 Members and 1 Guest are viewing this topic.

Offline Winga

  • Chemist
  • Full Member
  • *
  • Posts: 510
  • Mole Snacks: +39/-10
Lanthanides & Actinides
« on: February 11, 2005, 02:08:06 AM »
Are these two terms used to describe the negative ion of lanthanoids and actinoids?

The ending "ide" is to indicate a negative ion, right?

Therefore, "lanthanides" =/= "lanthanoids" & "actinides" =/= "actinoids"?
Logged

Offline Mitch

  • General Chemist
  • Administrator
  • Sr. Member
  • *
  • Posts: 5298
  • Mole Snacks: +376/-3
  • Gender: Male
  • "I bring you peace." -Mr. Burns
    • Chemistry Blog
Re:Lanthanides & Actinides
« Reply #1 on: February 11, 2005, 02:34:09 AM »
not in this case
Logged
Most Common Suggestions I Make on the Forums.
1. Start by writing a balanced chemical equation.
2. Don't confuse thermodynamic stability with chemical reactivity.
3. Forum Supports LaTex

Offline jdurg

  • Banninator
  • Retired Staff
  • Sr. Member
  • *
  • Posts: 1366
  • Mole Snacks: +106/-23
  • Gender: Male
  • I am NOT a freak.
Re:Lanthanides & Actinides
« Reply #2 on: February 11, 2005, 08:27:14 AM »
The terminology 'lanthanides' and 'actinides' is somewhat archaic and can cause a lot of confusion like this.  "Lanthanides" is the term given to elements 57-70 (Some include 71 as well) and it is also the proper term for a negative La ion.  The same can be said for the Actinides as well.  Really, the terms 'Lanthanoids' and 'Actinoids' are a more 'proper' description, but since when has chemistry terminology been proper?   ;) ;D
Logged
"A real fart is beefy, has a density greater than or equal to the air surrounding it, consists
Pages: [1]   Go Up
« previous next »
Sponsored Links