Which pair of elements do you expect to be most similar? Why? a. N and Ni b. Mo and Sn c. Na and Mg d. Cl and F e. Si and P

Verified step by step guidance

1. Step 1: Understand the concept of periodic trends and element similarity. Elements in the same group (column) of the periodic table have similar properties because they have the same number of valence electrons.
2. Step 2: Analyze the given pairs of elements to determine if they belong to the same group.
3. Step 3: Check pair a. N (Nitrogen) and Ni (Nickel). N is in group 15, while Ni is in group 10. They are not in the same group.
4. Step 4: Check pair d. Cl (Chlorine) and F (Fluorine). Cl is in group 17, and F is also in group 17. They are in the same group and are both halogens.
5. Step 5: Conclude that Cl and F are the most similar pair because they are in the same group and share similar chemical properties as halogens.