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

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

10 years is the answer