12
crystal-structure
× 2 |
3
aqueous-solution
|
2
notation
|
1
equilibrium
|
10
atoms
× 2 |
3
electrolysis
|
2
solutions
|
1
distillation
|
10
statetransition
|
3
oxidation-state
|
2
radicals
|
0
materials
× 2 |
10
temperature
|
3
electrochemistry
|
2
recrystallization
|
0
metallurgy
× 2 |
8
units
|
3
everyday-chemistry
|
2
purification
|
0
allotropes
|
5
metal
× 3 |
3
home-experiment
|
1
concentration
|
0
periodic-table
|
5
corrosion
|
2
organic-chemistry
|
1
acid-base
|
0
carbon-allotropes
|
5
alloy
|
2
molecules
|
1
thermodynamics
|
-2
inorganic-chemistry
|
4
intermolecular-forces
|
2
crystallography
|
1
physical-chemistry
|