Question

According to Mendeleev, how would the following elements be arranged from left to right?

1) f, mg, ar, k
2) f, mg, k, ar
3) k, ar, mg, f
4) ar, k, mg, f

Answer 1

Mendeleev arranged the elements in his periodic table based on their chemical properties and atomic masses. The correct arrangement of the elements f, mg, ar, and k from left to right is k, ar, mg, f.

Step-by-step explanation:

Mendeleev arranged the elements in his periodic table based on their chemical properties and atomic masses. From left to right, the correct arrangement of the elements f, mg, ar, and k is option 3) k, ar, mg, f.