Categories Jokes The element which signifies that trees are going to shed their leaves is Gold because it’s Au-tumn! Post author By chemistryjokes Post date November 23, 2021 See also I once needed a little money, so I approached my aunt. I simply said, "Anti-mony" ← The chemistry professor couldn’t see what was inside the beaker as it was Mt (Meitnerium) → The acid was disliked by everyone. He was A-mean-o acid.