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| | Jedi Master Join Date: Feb 2007 Location: Shmads of a Down
Posts: 1,766
|  Memorizing Polyatomic Ions? :
11-07-2008
Anybody know a good way to memorize polyatomic ions (the formula for them)?
Like how am I supposed to remembe that acetate is C2H3O2-?
Or that Chlorite is CLO2-? |
 | | | Freshman Bully Join Date: Apr 2008 Location: Australia
Posts: 1,133
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11-08-2008
I have a valence table printed on the back of my periodic table, I keep em both in my bag so I can get em out whenever I need em. I know you said you want to memorize them, I'd say just keep using it and slowly you'll start to memorize them.
__________________ Quote: |
Even in the darkest of suffering, a man can sleep. But for the man who inflicts the suffering, his mind cannot rest... ever.
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| | | Jedi Master Join Date: Feb 2007 Location: Shmads of a Down
Posts: 1,766
|
11-08-2008
Well the thing is I have a quiz on monday on these...  |
| | | Valuable member of SH Join Date: Jun 2007 Location: Pennsylvania
Posts: 3,290
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11-08-2008
I hated this last year. I never really had any tricks to memorizing them. Just had to look at them and remember. |
| | | Studies before the day of exam Join Date: Jun 2007 Location: Around
Posts: 3,138
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11-08-2008
Flashcards always help. I am not in Chem yet but people I know are making a ton if flashcards for this stuff. |
| | | School Bus Bully Join Date: Jun 2007 Location: Boxxyland
Posts: 2,296
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11-08-2008
Those are the -ite and -ate shits right? With the charges?
I used at least 500 flashcards in Chemistry sophomore year, and I gots teh A+!
__________________
[16:53] Git: God I want a gatorade
[16:55] Z: Git
[16:55] Z: want to make one thing very clear
[16:55] Z: i'm about to wipe your account from shw
[16:55] JMK: nooooooooooooooooooo
[16:55] JMK: ill sacrifice myself for git
[16:55] Kitten: What did he do this time?
[16:56] Git: wat
[16:56] Git: that would be confusing
[16:56] Z: don't act like you can get away with anything because you're friends w/ whoever
[16:56] Git: HAHA YOU HYPHENATE TACO BELL LMFAO LOLOL
[16:57] JMK: I just pised my pants |
| | | Jedi Master Join Date: Feb 2007 Location: Shmads of a Down
Posts: 1,766
|
11-08-2008
Yea I've been using flashcards, but I feel like I'm "Brute forcing" them into my memory. I need some sort of stupid ways to think about the ions so i can memorize the formulas, and vice-versa. |
| | | School Bus Bully Join Date: Jun 2007 Location: Boxxyland
Posts: 2,296
|
11-08-2008
Whenever I try to explain it, it looks a mess. It's just basically memorization. I never though I'd get them, but after quizzing myself about 15 times, I could give you that permanganate is MnO4-, hypochlorite is ClO-, and ammonium is NH4+ and one of the only 7 or 8 positive polyatomic ion all within 5 seconds. I did do that all from memory, and yes, I am 2 1/2 years removed from the course.
I don't know, you seem like a fairly able kid and I know you know ways to memorize stuff. It's just a game of figuring out patters and then learning specific exceptions and applying them.
__________________
[16:53] Git: God I want a gatorade
[16:55] Z: Git
[16:55] Z: want to make one thing very clear
[16:55] Z: i'm about to wipe your account from shw
[16:55] JMK: nooooooooooooooooooo
[16:55] JMK: ill sacrifice myself for git
[16:55] Kitten: What did he do this time?
[16:56] Git: wat
[16:56] Git: that would be confusing
[16:56] Z: don't act like you can get away with anything because you're friends w/ whoever
[16:56] Git: HAHA YOU HYPHENATE TACO BELL LMFAO LOLOL
[16:57] JMK: I just pised my pants |
| | | Jedi Master Join Date: Feb 2007 Location: Shmads of a Down
Posts: 1,766
|
11-09-2008
Quote:
Originally Posted by Git  Whenever I try to explain it, it looks a mess. It's just basically memorization. I never though I'd get them, but after quizzing myself about 15 times, I could give you that permanganate is MnO4-, hypochlorite is ClO-, and ammonium is NH4+ and one of the only 7 or 8 positive polyatomic ion all within 5 seconds. I did do that all from memory, and yes, I am 2 1/2 years removed from the course.
I don't know, you seem like a fairly able kid and I know you know ways to memorize stuff. It's just a game of figuring out patters and then learning specific exceptions and applying them. | Yea, I pretty much call that "brute forcing" the memorization. I was trying to find an easier way to memorize this shit.
Thanks though...I'm gonna be using my notecards I guess :*(
Edit: Took the quiz, aced it. Thanks everyone!
Last edited by Shmads; 11-10-2008 at 08:02 PM..
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