If I'm correct the answer should be a series circuit :) Hopefully this helps you out
Conditions:
Low pressure and low temperature
Low pressure and high temperature
High pressure and low temperature
High pressure and high temperature
Because in SI, the expectation is that area and volume will be expressed in terms of a linear dimension( the metre) or its multiples.
Oxygen- atomic number 8
1s² 2s² 2px² 2py¹ 2pz¹
1.505X10^24 hope this helped :)