Which halogens are gases at STP? Why do ionic bonds form between metals and nonmetals? Why is darmstadtium called darmstadtium? Why is argon a noble gas? How many electrons do halogens have in their outer shell? Why are compounds called molecules if some compounds are bonded ionically, whic...
Why is three-wire system is used instead of two-wire system when wiring an electric heater with metal casing? Explain why the noble gases tend to be monatomic rather than diatomic. Why can't we use spherical conductors as capacitors? Can the belt of a Van de Graaff...