0 because you would be floating at the top within seconds and also have fun with the sudden stop
b its plasma membrane probably
Properties: melting point of -100.98°C
boiling point of 34.6°C
density of 3.214 g/l
gravity of 1.56 (-33.6°C)
valence of 1, 3, 5, or 7
The atomic number, the number of protons and the number of electrons.