Answer:
it'll halve
Explanation:
the gas is compressed with twice the pressure. The volume will be halved.
im certain
Because if an electron was in an atom, it would allow two atoms to combine without exploding and disentigrating, therfore there would be no suck thing as nuclear fission (nuclear bomb)

3. Conducts electricity in aqueous solution.
Answer:this Covalent bond
Explanation:Covalent bond involves a pair of electrons being shared between atoms.
Hope this helps!