Which is a property of barium (Ba)? A. It does not conduct electricity.
B. It is brittle as a solid.
C. It rarely reacts with other elements.
D. It is very reactive.

i think but i am not sure but according to me it mainly reacts yo non metals and i think its very reactive if my answer is wrong then comment below this question i will see it and i will get an opportunity to learn something new

a. a primary source combines several different accounts of an event. b. a primary source generally benefits from having been written after an event.

explanation: