Electron structure of sodium:
₁₁Na: 1s²2s²2p⁶3s¹
Answer
Negative 5 and StartFraction 7 over 8 EndFractionfeet
STP stands for standard temperature and pressure. Standard pressure is equivalent to 1 atm, and standard temperature is equivalent to 273.15 K. Therefore, your answer is A. the temperature is 273.15 kelvin.
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