Color, phase, odor and boiling point are the physical properties. Reactivity with oxygen depends on the chemical nature of object, thus, it is not a physical property. It is a chemical property.
The given example is a chemical reaction.
The contents (separated as reactants and products) :
The written reaction is :
<em>I hope it helped you solve the problem.</em>
<em>Good luck on your studies!</em>
It tells you how many protons it has and because the number of protons =electrons it tells you also the number of electrons.
Answer:
D because i did this last week and got it right.