The answer is number (3) if am wrong am sry
That is called the capacity.
<span>The lighter object is in orbit around the heaviest, and the Sun is the heaviest object in the Solar System</span>
If you just type "<span>What is the chemical formula for mercury(I) nitrate?" into google you get the answer but HG(NO3)2 is the correct one.
sorry no one helped you in time hope you passed anyway</span>