Question

whats the smallest thing in the whole universe? hint : it can be a part of something

Answer 1

First it was atom but it had smaller atomic particles protons,netrons or electron. But, it was the quarks who made them.They should be the smallest but...Then now it is believed that These quarks are now made up of even smaller particles called string...Now, we dont know if its true or not Beacause it is just a theory 'String theory'.They may be also made up of even smaller particles. So, we are not sure about the answer...

Answer 2

by theories and studies, Atom is the smaller but neutron, proton and electron are th SMALLEST particle