Element(not the periodic table symble)Melting point/℃Boiling point/℃Electrical conductivityM-101-35Non-conductorN-39357Good conductorO-758Non-conductorP113445Non-conductorQ2322687Good conductorR8501480Good conductorS9402800Semi-conductor
1) Classify the elements into gas, liquid and solid.
2) Classify the elements into metals, non-metals and semi-metals.
3) Name elements N and O. Find 2 more physical properties of them from Wikipedia.