bis2a (mt 1)

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Last updated 5:31 AM on 6/28/26
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15 Terms

1
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carbon electronegativity value

2.5

2
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hydrogen electronegativity value

2.1

3
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oxygen electronegativity value

3.5

4
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phosphorus electronegativity value

2.1

5
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nitrogen electronegativity value

3.1

6
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sulfur electronegativity value

2.4

7
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fluorine electronegativity value

4.0

8
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non polar covalent range

0-0.4

9
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polar covalent range

0.5-1.8

10
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ionic bond range

1.9 or more

11
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Requirements for hydrogen bonds

◦ A molecule with a H with a δ+ can donate a hydrogen bond.

◦ Another molecule with a δ- can accept a hydrogen bond

12
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carbohydrates

  • always have C, H, O in 1:2:1 ratio

13
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nucleic acids

  • always have C, H, O, P, N

  • contain phosphate group, nitrogenous base, and 5-carbon sugar

14
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proteins

  • always have C, H, O, N

  • might contain sulfur

  • ends of protein have COOH and amine

15
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lipids

  • always have C and H

  • might contain O, P, S, N