A.
25km x 10^3m/1km x 1cm/10^-2m
cancel out km and m left with cm
Hey :)
The answer is B) Nitrogen, which has an electronegativity of 3.04
Hope this helps!
Answer: There is a couple different ways to determine if a bond is ionic or covalent. By definition, an ionic bond is between a metal and a nonmetal, and a covalent bond is between 2 nonmetals. So you usually just look at the periodic table and determine whether your compound is made of a metal/nonmetal or is just 2 nonmetals.