Arrange the following substances (1 mole each) in order of increasing entropy at 25°C: (a) Ne(g), (b) SO2(g), (c) Na(s), (d) NaCl(s), (e) H2(g). Give the reasons for your arrangement.

the correct answer would be d. hope this !

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.