<u><em>0.815 ATM=82.579875 KPA</em></u>
<u><em>0.815 ATM=619.39991 mmHg</em></u>
<u><em>0.815 ATM=619.4 TORR</em></u>
<u><em>Good luck!</em></u>
The last one is the correct answer. The atomic structure can be broken down which is what the findings concerning protons, electrons and neutrons showed. The theory was thus modified. What remained was no chemical reaction could affect the basic structure of an atom.
Still the last choice is still true. The first choice is your second best answer because of what I wrote in the last sentence of the above paragraph.
Last Choice <<<<< answer
I believe this is a triple bond with Nitrogen
Lithium, sodium, potassium, magnesium, calcium, barium, boron, aluminum, nitrogen, phosphorus, sulfur, fluorine and xenon are all examples of elements that react with oxygen. Oxygen reacts with other elements but those reactions are relatively mundane.