Scientists use a Graduated Cylinder
Just remember how many electrons can each sublevel hold.
S=2
P=6
D=10
Since we have 10 for atomic number, we can assume we have 10 electrons
1S2
2S2
2P6
The rest have zero because we already have 10 (2+2+6=10)
does it have multiple choice
Convection is a form of heat transfer that occurs in fluids, which would include liquids and gases.