First 40 elements
Ga
Gallium (31)
As
Arsenic (33)
Be
Beryllium (4)
B
Boron (5)
Br
Bromine (35)
Ca
Calcium (20)
Cu
Copper (29)
Ge
Germanium (32)
Al
Aluminium (13) (Aluminum also acceptable, depending on the region where you were raised)
S
Sulfur (16)
Fe
Iron (26)
Kr
Krypton (36)
Li
Lithium (3)
Mg
Magnesium (12)
Mn
Manganese (25)
Ne
Neon (10)
Ni
Nickel (28)
N
Nitrogen (7)
O
Oxygen (8)
P
Phosphorus (15)
K
Potassium (19)
Rb
Rubidium (37)
Sc
Scandium (21)
Se
Selenium (34)
Si
Silicon (14)
Na
Sodium (11)
Sr
Strontium (38)
Ti
Titanium (22)
Y
Yttrium (39)
Zn
Zinc (30)
Zr
Zirconium (40)
Ar
Argon (18)
C
Carbon (6)
Cl
Chlorine (17)
Cr
Chromium (24)
Co
Cobalt (27)
F
Fluorine (9)
He
Helium (2)
H
Hydrogen (1)
V
Vanadium (23)