Chemistry Quest have cards like this.
It has 4 types of cards.
One is Oxygen, One is Hydrogen, One is Nitrogen and another one is Carbon.
You can combine these card to make molecule.
For example = You combine 2 Hydrogen and 1 Oxygen, you can make H2O.
That is water.
It was very fun winning my mom.
It was difficult.
I tried to get many cards.
You can try to do it, too.
My mom won 2 times and I won 2 times.
I like this game.
Good-bye everybody!!!!!
