Radium react with halogens (F, Cl, Br, I), oxygen, nitrogen, water, etc.
Radium is a very reactive alkaline earth metal (the Pauling electronegativity is 0,9).
The chemical symbol of radium is Ra.
No plural for radium.
Radium is an alkaline earth metal, radioactive, solid, reactive.
Radium is a non metal radiop active element. Atomic mass of it is 12.
Is the reactivity of an alloy very different from the reactivity of its major component?"
Reactivity is not a change; it is a chemical property.
Reactivity is a chemical property.
the reactivity increases as you go down the group
The reactivity of halogens decreases with increasing atomic number.
Reactivity is a chemical property.
Reactivity.
Decrease reactivity