What is the name given to atoms 35Cl and 37Cl of chlorine, with the same atomic number, but different masses?

35Cl and 37Cl are called the Isotopes of chlorine.

Isotopes are those elements that having same atomic number that is no. of protons but different mass number that is no. of neutrons.

aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.

answerspecific gravity;