C. Number of protons = atomic number; number of neutrons = mass number - atomic number
He produced the first orderly arrangement of known elements, he used patterns to predict undiscovered elements
Sdhdmzir d sjdurkshrjeidnrjddneuxneixfnsidnrjxcbfnxudnx
Its simple use formuila ,
PV=nRT
n,R is constant as the both have same moles.
so,
(p1v1)/T1 = (p2v2)/T2
so, 128.53338kpa