Unit 1, Topic 4 - Chemical Symbolism, Formulae and Reaction Quantities Flashcards
1
Q
What does the prefix mono mean?
A
One
2
Q
What does the prefix di mean?
A
Two
3
Q
What does the prefix tri mean?
A
Three
4
Q
What does the prefix tetra mean?
A
Four
5
Q
How do you find the valency for an element?
A
Using the group number from a periodic table.
6
Q
How do you find the valency for group/complex ions?
A
Using the data booklet.
7
Q
How would you find the relative atomic mass of an element?
A
Use the data booklet.
8
Q
What is the formula mass in grams called?
A
Gram Formula Mass, GFM
9
Q
Write the triangle to show how mass and moles are related.
A
/\
/ m \ m=mass
/ - – - \ n=number of moles
/GFM|n. GFM=Gram Formula mass
