Ne is a gas - 1 molecule of Ne would be a particle
Both: a single atom can constitute a molecule for consideration in kinetic-molecular theory, even though it does not have a chemical bond.
Ne is definitely an atom.
molecule
H2
Neon, number 10 on the Periodic table.
He
A molecule, SO2
A positive electron (positron) is emitted.
H2
The noble gas configuration of magnesium is [Ne]3s2.
Neon, number 10 on the Periodic table.
Ne Neon, a noble gas.
Neon (Ne) is a noble gas, very unreactive.
Yes. A single gas particle experiences gravitational force.
[Ne] 3s2 3p6
[Ne] 3s1 3p5
He
[Ne] 3s2 3p5
all of them
A molecule, SO2