This funny t-shirt design for Halloween features the word BOO spelled out using the elements Boron and Oxygen. Each element is shown inside a black or orange square that shows the vital stats of each material. The black squares even have white spiral spider webs around the element's symbol (letter). The entire design is captioned "The Elements of Surprise" in all capital letters using a spooky font that appears to drip blood!

This fun element-inspired t-shirt design features the imaginary element of "Pumpkin" with the symbol Pu. The stats for this whimsical, made-up element include the atomic number of 94.  The element is shown inside a big orange square, making this fun design perfect for fall, Halloween, and Thanksgiving celebrations.

Here's a simple and funny costume idea for someone who loves chemistry and wants to keep their costume simple. The long-sleeve top features the word SCARY spelled out using elements from the periodic table: Sulfur; Carbon; Argon; and Yttrium. The elements are presented inside squares that alternate between purple and orange, perfect colors for Halloween and autumn. This scary design is available on different apparel options, including short sleeve tops and sweatshirts; visit the product page to see more options.

Dress up as the world's most nerdy pirate this Halloween with this funny and simple element-inspired t-shirt. The element of Argon is featured with the caption "I'm a Pirate" in the place where the name would normally appear. Wear this one on Halloween, Talk Like a Pirate Day, and any other time you're feeling in a pirate mood.

This fun graphic t-shirt features the imaginary element Zm, called "Zombie", with the atomic number of 13 (actually 13 is Aluminum). Dress up as a zombie with this simple costume t-shirt and share your love of chemistry and/or science. The all-white graphic image pops on a black t-shirt as shown here, or use Zazzle's tools to choose a different apparel color or style.