140: More Complicated Chemical Formulas (Higher) Flashcards
1
Q
Hydrogen
A
H
2
Q
Carbon
A
C
3
Q
Chlorine
A
Cl
4
Q
Copper
A
Cu
5
Q
Sodium
A
Na
6
Q
Oxygen
A
O
7
Q
Sulphur
A
S
8
Q
Zinc
A
Zn
9
Q
Formula rule 1:
A
The symbol of the element by itself means one atom of the element.For example, in hydrochloric acid (HCl), there is one hydrogen atom.
10
Q
Formula rule 2:
A
If there is a number after the symbol,, this says how many atoms there are of the element.
11
Q
Formula rule 3:
A
If there are brackets, the number just after the brackets multiplies everything inside.
