A. Gamma radiation because it reaches further than beta and alpha rays
Answer:
The products react to reform the original reactants
E.g. Haber process of ammonia production
Gravitational force will increase with greater mass
Answer:
Explanation:
The Lanthanides were first discovered in 1787 when a unusual black mineral was found in Ytterby, Sweden. This mineral, now known as Gadolinite, was later separated into the various Lanthanide elements. In 1794, Professor Gadolin obtained yttria, an impure form of yttrium oxide, from the mineral.
Answer:
yo gotta be more specific
