Pages in this set

Page 1

Preview of page 1
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




CHEMISTRY AS REVISION NOTES
UNIT 1 ­ F331/01: Chemistry for Life

OCR 21st Century specification
Made by Nabilah Chowdhury

Copyrighted

References: Various internet sources, sources from GetRevising, AS chemistry OCR textbook, CGP textbook




FORMULAE, EQUATIONS AND AMOUNT OF SUBSTANCE




1…

Page 2

Preview of page 2
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




2 | Page

Page 3

Preview of page 3
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




3 | Page

Page 4

Preview of page 4
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




ATOMIC STRUCTURE




Subatomic particle Mass Charge
Prot
on 1 +1
Neutr
on 1 0
El
ectron 1/
200 0
or
0.0006 1




4 | Page

Page 5

Preview of page 5
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




At
omi
c Absorption Spect
ra:
1. Whi
te
li
ght
i
s a
cont
inuous
spect
rum
of
EMR ­
has
all
t
he
col
our
s of
t
he
rai
nbow
2. EMR passes
thr
ough
the
element…

Page 6

Preview of page 6
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




6 | Page

Page 7

Preview of page 7
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]



One
phot
on
of
l
ight
i
s equal
t
o one
quant
um
of
ener
gy.
To
fi
nd
the
quant
um,
or
phot
on,
you
use:

Change in energy = Planck Constant x frequency
E = h x…

Page 8

Preview of page 8
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




8 | Page

Page 9

Preview of page 9
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]




E.g. halflife of C14 is 5730 years. How long will it take for the count rate to drop to 25% of its original value?
11460 years

Hal
fli
f
e Act
ivi
ty
(%)
0 100 (
divi
de
by…

Page 10

Preview of page 10
Unit One ­ F331/01: Chemistry for Life [CHEMISTRY REVISION NOTES]


2 25

1
hal
fli
fe
takes
5730
year
s.
So,
2
hal
fli
ves
must
t
ake
(5730
x 2)
=
11460
year
s




E.g. A radioisotope has count rate of 52mins1. Fours hours later the count rate 13…

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all resources »