Match the element with its description. match      term          definition                 potassium          a) great conductor of heat and electricity                 barium                b) has properties of both metals and nonmetals                   boron                  c) malleable and highly reactive                   neon                    d) nonreactive gas

Potassium = Great conductor of heat and electricity

Neon = Non reactive

Boron = has properties of both metals and non metals

Barium = Malleable and highly reactive

Explanation:

Potassium = Great conductor of heat and electricity

Potassium is soft metal and has low melting point. It is white silvery luster with great heat conducting properties.

Neon = Non reactive

Neon is present in group eighteen. It is noble gas. Its outer electronic shell is completely filled that's why it is non reactive.

Boron = has properties of both metals and non metals

Boron is metalloid and behave like both metals and non metals.

Barium = Malleable and highly reactive

Barium is belong to group 2A. It is alkaline earth metal. It is highly reactive towards other elements such as oxygen, fluorine, chlorine , etc.