Mercury is the metal that exists:
A. LiquidB. GasC. PlasmaD. Solid
ppsc chemistry MCQs
Who proposed the concept of the orbit of an electron around the nucleus?
A. PlanckB. BohrC. RutherfordD. Stoney
A. LiquidB. GasC. PlasmaD. Solid
A. PlanckB. BohrC. RutherfordD. Stoney