Description : What are the differences between top, bottom, strange, and charm quarks from the standard 'up' and 'down' quarks?
Last Answer : Standard disclaimer: I'm but a caveman Yes, they have different mass, but also other properties that make them different. It's a deep rabbit hole, but have you checked out Wikipedia ... properties (along with a good general article on quarks) https://en.wikipedia.org/wiki/Quark#Table_of_properties