This printable bingo card set on the topic of Elements & Periodic Table has 33 unique items on a 5x5 grid. Each card draws from a pool of 33 items, so every player gets a different card.
H (Helium)
LI (Lithium)
Na (Sodium)
K (Potassium)
Rb (Rubidium)
Cs (Cesium)
Fr (Francium)
Be (Beryllium)
Mg (Magnesium)
Ca (Calcium)
Sr (Strontium)
Ba (Barium)
Ra (Radium)
B (Boron)
Al (Aluminum)
Ga (Gallium)
In (Indium)
Tl (Thallium)
Nh (Nihonium)
C (Carbon)
Si (Silicon)
Ge (Germanium)
Sn (Tin)
Pb (Lead)
Fl (Flerovium)
F (Fluorine)
Cl (Chlorine)
Br (Bromine)
I (Iodine)
At (Astatine)
Ts (Tennessine)
He (Helium)
Ne (neon)