This printable bingo card set on the topic of Elements & Periodic Table has 21 unique items on a 4x4 grid. Each card draws from a pool of 21 items, so every player gets a different card.
li
B
Al
Ne
O
He
12.011
47
39.098
16
34
25
14.007
18.998
17
PLATINUM
NICKEL
METALOIDS
NON-METAL
METAL
Os