Vandium is non metal but group 5 period 4
Comets are balls of ice and dust in orbit around the Sun. The orbits of comets are different from those of planets - they are elliptical. A comet's orbit takes it very close to the Sun and then far away again.
1.94 moles
I did 35/18.02 because 18.02 is the molar mass of water
Answer:
magnesium chloride (no prefixes)