A 50 gram sample decays to 12.5 grams in 14.4 seconds. what is its half life

Which term refers to a property that depends only on the amount of a substance? ©@

The number at the end of an isotope’s name is the number.

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.