Answer:
2 Cr(s) + 3 Fe(NO3)2(aq) = 3 Fe(s) + 2 Cr(NO3)3(aq)
Explanation:
I balanced this chemical equation so that both sides are equal, meaning that the mass of reactants is equal to mass of products.
Atomic radii increase when going down a group and decreases when going towards the anion periods. So A and D.
Answer:
90° is the measure, hope this helped :)
