Pages in this set

Page 1

Preview of page 1
Unit 1 chemistry revision : chem 1 ©
1
fboco






2012
Fboco




[UNIT 1 CHEMISTRY REVISION
: CHEM 1 © FBOCO]
Condensed notes of unit 1 foundation chemistry

Page 2

Preview of page 2
Unit 1 chemistry revision : chem 1 ©
2
fboco

Topic 1.1 spec reference 3.1.1

Atomic number (Z) is the number of protons found in an atom of
an element
Mass number The number of protons and neutrons in an atom
of an element added together
Isotopes Are atoms of…

Page 3

Preview of page 3
Unit 1 chemistry revision : chem 1 ©
3
fboco

Chromium and copper deviate from the pattern in which their 3d shells are filled first (or half filled)
before the 4s shell.

Ionisation energy

1st ionisation energy Is the energy require to remove one mole of
electrons from one mole…

Page 4

Preview of page 4
Unit 1 chemistry revision : chem 1 ©
4
fboco

V m3
n Number of moles
R 8.31
t kelvin
Ideal gas equation:

pV = nRt



Empirical formula and Molecular formula

Empirical formula

The simplest ratio of elements in a compound

01. Find the masses of each element
02. Find…

Page 5

Preview of page 5
Unit 1 chemistry revision : chem 1 ©
5
fboco

Covalent bond This involves shared pair of The bond present between
electrons atoms that have a relatively to
electronegativity difference
Coordinate bond An electron rich atom denotes a
(covalent bond type) lone pair of electrons to an
electron deficient atom.…

Page 6

Preview of page 6
Unit 1 chemistry revision : chem 1 ©
6
fboco

Require a lot of energy to
break

Metallic The attraction of the
crystals positive to negative
throughout the crystals.
The high melting point is a
result of strong metallic
bonds

Molecular Are soft and break easily
crystals Has a low…

Page 7

Preview of page 7
Unit 1 chemistry revision : chem 1 ©
7
fboco

Valence Bonding Lone shape Bond
shell pairs pairs Angle (o)
electron
pairs
2 2 0 LINEAR 180


3 3 0 TRIGONAL PLANAR 120




3 2 1 BENT 115 - 118




4 4 0 TETRAHEDRAL 109.5




4 3 1 TRIGONAL PYRAMIDAL…

Page 8

Preview of page 8
Unit 1 chemistry revision : chem 1 ©
8
fboco




Topic 1.4 spec reference 3.1.4

Periodicity

S The electron of the highest energy level is present in the s
block
P The electron of the highest energy level is present in the p block
D The electron of the highest…

Page 9

Preview of page 9
Unit 1 chemistry revision : chem 1 ©
9
fboco

a
s
t
r
o
n
g
e
r
V
a
n
d
e
r
W
a
a
l
s
1st IE Increa
sing



The atomic radius

Decreases, due to the increase in nuclear charge but similar amount of shielding…

Page 10

Preview of page 10
Unit 1 chemistry revision : chem 1 ©
10
fboco

Displayed formula Shows every atom as well as all bonds present
Homologous series A series of organic compounds that have a the same general
formula, similar properties and functional group
Functional group The reactive group attached to a compound.


Family…

Comments

James

Great resource. :)

Similar Chemistry resources:

See all Chemistry resources »See all resources »