These letters are Hangul, the Korean alphabet. Hangul is very scientific and easy to learn so you can actually read and write in Korean in a short time although it will take more time to understand it. Try to learn Hangul! It's really easy :D
112 Cartoon Elements Make Learning The Periodic Table Fun
<b>Proof that everything is easier to learn when presented via Pokemon-style.</b> Artist <a href=" target="_blank">Kacie D.</a> lovingly anthropomorphized every single element, which deserves to be converted into a children's book.