Science Through the Eyes of a Wolverine

Friday 09 Jan 2009

Honors Chemistry

39 comments Mr. Holt | AP Chemistry (1st)

39 Responses to “Honors Chemistry”

1. on 11 Jan 2009 at 11:57 am   Ryan Stone
   
   

   A NON-POLAR COVALENT BOND happens only in non-metals and the difference in it’s electronegativity is between 0 and 0.4.
   A POLAR COVALENT BOND happens only in non-metals and the difference in it’s electronegativity is between 0.5 and 1.4. The electrons are shared unevenly.
   An IONIC BOND happens between metals and non-metals and the difference in it’s electronegativity is greater than 1.4.

2. on 11 Jan 2009 at 3:42 pm   Colleen Tejchma
   
   

   Hi Mr. Holt
   Do you want us to leave our answer as a comment or do you want us to bring it to school?

3. on 11 Jan 2009 at 4:42 pm   Mr. Holt
   
   

   Please comment here

4. on 11 Jan 2009 at 5:10 pm   Raeanna Jacobsen
   
   

   You find the difference in electronegativity and if the difference is between zero and .4 then it is nonpolar covalent because electrons are shared equally. If the difference is between .5 and 1.4 it is a polar covalent bondbecause the electrons are shared unequally. If the difference is bigger than 1.4 it is ionic because the electrons aren’t shared.
   

5. on 11 Jan 2009 at 7:10 pm   Jacob Schuitema
   
   

   If there is a metal and a nonmetal, then it is an ionic bond. If there are 2 nonmetals, then take the absolute value of the difference in electronegativity. If it is 0-.4, then it is covalent. If it is .5-1.4, it is polar covalent.

6. on 11 Jan 2009 at 7:17 pm   Taylor Lascko
   
   

   Here is my paragraph on bonds:

   An ionic bond is between metals and nonmetals, and the electrons are transfered from one atom to another forming an ion. Covalent bonds are between nonmetals and the electrons are shared between two atoms. Polar covalent bonds are between nonmetals and the electrons are shared between two atoms unevenly.

   i also want to know if it is ok if i go on the blog instead of journals?

7. on 11 Jan 2009 at 8:27 pm   Kimberly Eisenbarth
   
   

   I would determine is whether a bond is ionic, non polar or polar by if a bond is non polar covalent, then the atoms in the bond are equal to each other. It is polar covalent by the bonds are not equal and one atom has it more than the other. A bond is ionic by the atoms, or electronegativities are different.

8. on 11 Jan 2009 at 8:35 pm   kaitlyn eisenbarth
   
   

   an ionic bond is the force of attraction between the opposite charges of an ion, an polar bond is a bind where electrons are unequally shared between two atoms, and a nonpolar bond is when electrons are equally shared by the two atoms.

9. on 11 Jan 2009 at 8:35 pm   Amanda LaPres
   
   

   Hi!

   To determine if it was ionic, it would be between a metal and a non-metal. Polar Covelant has an uneven amount of election sharing. Non polar covelant is nonmetals sharing electrons evenly.

10. on 11 Jan 2009 at 9:00 pm   Tom V
    
    

    The way to tell if a bond is ionic, polar or non polar convelent is to know what type of elements it reacts with. Ionic bonds are between metals and non metals. However both convelants are between nonmetals. The way to tell the difference is that polar molecules have an uneven number of electrons and nonpolar have and even number of electrons.

11. on 11 Jan 2009 at 9:09 pm   Colleen Tejchma
    
    

    To determine if a bond is ionic the bond would need to be between a metal and non-metal. The electrons transfer from one atom to another to create ions. For a bond to be non-polar covalent non-metals bond and the electrons share between two atoms. For a bond to be polar covalent non-metals bond and the electrons share unevenly between two atoms.

12. on 11 Jan 2009 at 9:21 pm   Alyssa Johnson
    
    

    An ionic bond is the attraction betweenn opposite charges of an ion. One element in an ionic bond loses electrons, and another element must gain the electrons. In a polar covalent bond electrons are shared by the atoms. In a nonpolar covalent bond the electrons are shared equally.

13. on 11 Jan 2009 at 9:46 pm   Lauren Nolan
    
    

    ionic bonds happen when there is a complete transfer/switch of electrons in the bond.

    non polar covalent bonds happen when there is equal sharing of electrons in the bond.

    polar covalent bonds happen when there is unequal sharing of electrons in the bond.

14. on 11 Jan 2009 at 10:22 pm   Laura Farrell
    
    

    If it was an ionic bond electrons are transfered
    If it was a polar covalent bond electrons are shared.
    Non Polar bonds are loosely shared.

15. on 11 Jan 2009 at 11:36 pm   Lance
    
    

    To determine whether a bond was ionic, polar covalent. or nonpolar covalent, you have to find the difference of the electronegativites of the two atoms in the bond. If the differnce is less than .5, then the bond is nonpolar covalent. If the difference is between .5 and l.6, then the bond is polar covalent. Finally, if the difference is greater than 2,then the bond is ionic. Also, a metal has to be involved for it to be an ionic bond.

16. on 11 Jan 2009 at 11:40 pm   Lance
    
    

    I forget had to do it in less than 62 words, so let me try again. To determine the type of bond, you have to find the difference of the electronegativites of the two atoms in the bond. If the difference is less than .5, then the bond is nonpolar covalent. If the difference is between .5 and 1.6, then the bond is polar covalent. If the differnce is greater than 2, then the bond is ionic.

17. on 12 Jan 2009 at 4:44 pm   Charlotte Korson
    
    

    ionic: metals and non-metals and electrons are transfered

    non-polar covalent: 2 non-metals with equally shared electrons

    polar covalent: 2 non-metals and electrons shared unequally

18. on 12 Jan 2009 at 6:03 pm   Rebecca Paquin
    
    

    If a bond is ionic, then it is between metal and nonmetals. To tell if the bond is covalent or polar covalent, you use electronnegativities. If the absolute value difference is 0 to .4, then it is non-polar covalent. If it is .5 to 1.4, then it’s polar covalent.

19. on 12 Jan 2009 at 7:22 pm   Erik Allore
    
    

    a bond is nonpolar covalent when there are partial postive and partial negative bonds
    a polar covalent bond is when there are electrons shared evenly
    a ionic bond is when there is a positive and negative charge

20. on 12 Jan 2009 at 8:53 pm   Ryan Evans
    
    

    You have to determine the electronegativities in a bond. A nonpolar covalent bond is 1.4

21. on 12 Jan 2009 at 8:59 pm   Ryan Evans
    
    

    hey. I can’t see all of my post so I’ll just try this again. A nonpolar covalent bond is less than 0.4 while a polar covalent bond is .5 to 1.4 and an ionic bond is 1.5 and above.

22. on 12 Jan 2009 at 9:39 pm   Monica L
    
    

    Ionic bonds are formed between a metal and a non metal. Non-polar covalent bonds are formed when electrons are not shared between elements. Polar covalent bonds are formed when electrons are shared between elements.

23. on 12 Jan 2009 at 10:07 pm   Kayleigh McCollum
    
    

    So I didn’t know that you wanted us to do it on here..so I handed mine in today at the beginning of class hand written, sorry!

24. on 12 Jan 2009 at 11:26 pm   Kimmy Curcuru
    
    

    i’m here b/c you told us to come here for journals i don’t know if i’m commenting in the right spot but hopefully this will work and by the way i love my best friend lauren rene’ nolan because she is the most beautiful girl in the world and has shiny hair

25. on 13 Jan 2009 at 10:06 pm   Alex Bodenberg
    
    

    An ionic bond are between metals and non metals, and the electrons are transferred. The electronegative difference value is between 0-.4. Non-ploar covalent are two non-mentals with equally shared electons. Its difference is from .4-1.4. Polar covalent are two non-mentals and unequally shared electrons and its difference is all numbers greater than 1.4.

26. on 14 Jan 2009 at 10:44 am   Joshua Edward Johnson
    
    

    A bond is ionic if it has a metal and a non- metal. You can also determine it by the difference in electronegativity. If the difference is .4 or less non-polar covalent. If the difference is between .5 and 1.4 it is polar covalent. And if it is greater than 1.4 than it is ionic.

27. on 14 Jan 2009 at 10:45 am   Kimmy CUrcuru
    
    

    Ionic is between nonmetals and metals. Non polar covalent bonds is when electrons aren’t shared. Polar covalent bonds is when they are shared.

28. on 15 Jan 2009 at 9:53 am   Kimmy Curcuru
    
    

    ok. you told us to go on here 3 times this week so we don’t have to turn in our journals. so i guess this means i’m done, because this is my third time.

    hi, mr. holt! can we make waffles in your class again? and we need to have a fire friday. It’s been about a month now and every friday i get let down. it upsets me greatly.

29. on 15 Jan 2009 at 9:53 am   Joshua Edward Johnson
    
    

    WHATS UP? just a reminder that this is my second post out of three that i have to do to get out of journal. Oh YEA! dont forget you said today was a treat day for our class. DO NOT DISAPPOINT US!

30. on 15 Jan 2009 at 4:15 pm   Kersti
    
    

    To see if a bond is polar, covalent, or ionic you need to look up the electronegativities for the 2 atoms. Then you have to determine the difference in electronegativities. 0-.4 is non polar covalent, .5-1.4 is polar covalent, and > 1.4 is ionic.

31. on 15 Jan 2009 at 4:17 pm   Kersti
    
    

    Hi Mr. Holt!! Thanks for the doughnuts today. They were really good!

32. on 15 Jan 2009 at 7:54 pm   Rebecca Paquin
    
    

    Heyy Mr. Holt… this is my 2nd out of 3 comments i have to leave.. and thanks for the Treat Day the doughnuts were veryy good = )

33. on 15 Jan 2009 at 10:00 pm   Andy Zagar
    
    

    ok i am leaving another comment… i want a waffle from iHOLT…international house of learning technologies

34. on 15 Jan 2009 at 10:01 pm   Andy Zagar
    
    

    it is 10 o’clock at night and i am writing on a blog with colored pencils on the bottom…completely untrelated to chemistry haha…anyway take the first colored pencil on the left and combine it with the 18th one from the left…whose colors do you get?

35. on 15 Jan 2009 at 10:15 pm   Amanda LaPres
    
    

    doughnuts were wonderful! thank you!

36. on 16 Jan 2009 at 10:46 pm   Laura Farrell
    
    

    hey mr holt this is my last comment for this week and I just wanted to say that 4th hour rocks and waffles are better than donuts!

37. on 18 Jan 2009 at 2:27 pm   Ben Peters
    
    

    RESPONSE TO ANDYS QUESTION: andy the first one of the left is white, and the 18th one from the left is like a kind of dark green so you would get a light pastel green….

38. on 18 Jan 2009 at 4:46 pm   Tom V
    
    

    commiting is easy, doing journals not so easy

39. on 18 Jan 2009 at 7:33 pm   kaitlyn eisenbarth
    
    

    thanks for the splendid doughnuts!

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