Answer:
pressure doubles
Explanation:
they are inversly preportional
Alkaline metal-group 1
Alkaline earth metals-group 2
halogens=group 7
noble gases-group 8 or o
transition metals are the actinides and the lactanides below the periodic table
Nitrogen atomic no.=7
electron=7its electronic configuration =1s2 2s2 2p3
Pollution and people littering. Can change everything.
Answer:
Oxygen
Explanation:
Water's formula is H20. Which is two hydrogen and one oxygen.
