Categories Jokes Did You Know Protons Have Mass? Post author By chemistryjokes Post date March 14, 2017 No Comments on Did You Know Protons Have Mass? I didn’t even know they were catholic! See also Chlorine came to sodium and told her, "You complete me!" ← Baby, I Know Chemistry → What Do You Do With A Dead Chemist? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.