This is a simple game in which players look at a formula written on a card and tell whether is is correct or incorrect and state "Deal" or "No Deal." There are several variations to make the game more difficult or easier, depending on the choices. There are 108 cards in a deck -- 54 correct and 54 incorrect ones. There is a periodic table file to help students if that variation is selected.
There are many nature study or science games in my TPT store --
Crossword, Word Search, Bingo, Rummy, Concentration, Sorting,
Tic Tac Know, Dominoes and Board games.