Pls help me it’s a test!! answer any of these

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas