1) Carbon-13:
Proton-6 Neutron-7 Electron-6
2)Atomic mass of element X:
(55*10+56*20+57*70)/100=56.6
I'm pretty sure the answer is 0.833 atm.
Hope I helped! <3
-cara
Answer:
are those the answer choice
Pure Substances cannot be separated easily or, sometimes at all.
I hope this is the answer you were looking for and that it helps!! :)
It’s soft which makes It low energy