Which statement is true about two isotopes of the same element?

they have the same mass number.
they have different numbers of protons.
they have different locations on the periodic table.
they have different numbers of neutrons.

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.