If you have 30g of KNO 3 in 100g of water at 50°C, is the solution saturated or unsaturated ?

The energy that powers a hurricane is derived from

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.

Can someone solve thierry two problems