Please help!! I’ll give brainliest. This is from the physics wet lab on apex
All I really need is the mass and thickness
But if you’re able to give it all, it would be better

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.