unit 1
the periodic tabie of what
elements
what is h
hydrogen
si is what
silicon
c is what
carbon
s is what
sulfur
p is what
phosphorus
fe is what
iron
cl is what
chlorine
the 3 planet from the sun
earth
o is what
oxygen
f is what
fluorine
n is what
nitrogen
al is what
aluminim
b is what
boron
he is what
helium
au is what
gold
cu is what
copper
ne is what
neon
li is what
lithium
ag is what
silver
ni
nickel
k is what
potassium
pt is what
platinum
mg is what
magnesium
na is what
sodim