This is the list of elements and their symbols that are used in class so often you need to memorize them:
| Element | Symbol | Element | Symbol |
|---|
| aluminum |
Al |
lithium |
Li |
| antimony |
Sb |
magnesium |
Mg |
| argon |
Ar |
manganese |
Mn |
| arsenic |
As |
mercury |
Hg |
| barium |
Ba |
neon |
Ne |
| bismuth |
Bi |
nickel |
Ni |
| boron |
B |
nitrogen |
N |
| bromine |
Br |
oxygen |
O |
| cadmium |
Cd |
phosphorus |
P |
| calcium |
Ca |
platinum |
Pt |
| carbon |
C |
potassium |
K |
| chlorine |
Cl |
radium |
Ra |
| chromium |
Cr |
silicon |
Si |
| cobalt |
Co |
silver |
Ag |
| copper |
Cu |
sodium |
Na |
| Fluorine |
F |
strontium |
Sr |
| gold |
Au |
sulfur |
S |
| helium |
He |
tin |
Sn |
| hydrogen |
H |
titanium |
Ti |
| iodine |
I |
tungsten |
W |
| iron |
Fe |
uranium |
U |
| lead |
Pb |
zinc |
Zn |