Chemistry

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Hydrogen atom
- H
- + & e-
- atomic #: 1
- wt: 1amu
- 1 bond
Carbon atom
- C
- 6+ 6n 6e-
- atomic #:6
- wt:12 amu
- 4 bonds
Nitrogen atom
- N
- 7+ 7n 7e-
- atomic #: 7
- wt: 14amu
oxygen atom
- O
- 8+ 8n 8e-
- atomic #: 8
- wt: 16 amu
- 2 bonds
protons
- +
- found on the inside
- wt: 1amu
- charge: +
Neutron
- n
- found on the inside
- wt: 1amu
- charge: 0
electron
- e-
- found on the outside
- wt: 0amu
- charge: -
sodium

Na
potassium

K
iron

Fe
Ca

Calcium
P

phosphorus
S

Sulfur
Cl

chlorine
Zn

Zinc
atomic number
- the number of protons
- determines identity
isotope
- same atomic # but differnt wt
- same + differnt n
ion

atom with no overal charge
covalent bond
- share electrons
- strong bond
- symbol: -
- double covalent bond: =
ionic bond
- take electrons
- strong bond
- symbol: O-+H
hydrogen bond
- weak bond
- must have hydrogen involved
- needs small amount of polarity
- symbol: -----
- attraction between + and -
hydrophobic bond
- water must be involved
- the bond forces the molecules together.
- water and oil
O=O
- oxygen
- o2
o=c=o
- carbon dioxide
- co2
Na+-Cl
- sodium chloride
- NaCl
CH4

methane
CH3-CH2-OH

ethanol
CH3

methyl
O-H

hydroxal group
NH3

ammonia
protiens
- 4 Cal/g
- function:structural part of the body
- carry small molecules from place to place
carbohydrate

4 Cal/g
pure alcohol

7 Cal/g
lipids

9 Cal/g
LDL
- carries cholesterol from the liver to the body
- bad cholesterol
HDL
- carries cholesterol from the body and brings it to the liver
- good cholesterol
steps to an abreviated stucture
- remove H on C
- remove C
- No O-H bond
essential amino acids

must have in your diet
non essential amino acids

not required in diet

Author

andreathors16

167092

Card Set

Chemistry

Description

test1

Updated

2012-08-23T05:59:22Z

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