Naming Compounds Flashcards
If an element ends in IDE
It doesent contain any other elements
if element ends in ITE or ATE
it also contains oxygen
mono means
One
Di means
Two
Tri means
Three
Tetra means
Four
Penta means
Five
Dinitrogen pentoxide
N2O5
What is the valency
It’s combining power/ how many bonds it can make with other atoms
What group numbers have what valency
Group 1 - 1
Group 2 - 2
Group 3 - 3
Group 4 - 4
Group 5 - 3
Group 6 - 2
Group 7 - 1
Group 8/0 - 0
What is the formula for working out valencies
SVSDF
( symbols , valencies , swap , divide , formula )
Roman numbers till 10
I= 1
II = 2
III = 3
IV = 4
V=5
V I =6
V II = 7
V III = 8
IX = 9
X = 10
What is the GFM
It’s the sum of all the RAM of all the atoms shown in a chemical formula
What is the Mole number
6.022 x 10 to the power of 23
What does the mole triangle look like
/ M \
____________
N | GFM
___________
What is the measurements of N and M
N = no of moles / mol
M = g
What are the formulas for the mole
N = M divided by GFM
M = N x GFM
GFM = sum of RAMs
What shape is H—H
Linear
What shape is O
/ \
H H
Angular
What does a trigonomal, pyramidal shape look like
A sphere with smaller spheres attached to it going front , back and to the side
What does a tetrahedral shape look like
A sphere/ element with other elements going flat( side) , in front , behind and above
