Answer:
Gold and copper are example of alloy
Explanation:
7.94 x 10^6 mol
PV=nRT
n=(PV)/(RT)
n=(1.10*12.0)/(8314*200)
n=7.94 x 10^6 mol
There are 9 orbitals in the third energy level and 25 orbitals in the fifth energy level.
I hope this helps you.