Question

Which pair of elements has the most similar chemical properties?

1. K and Ca
2. Cl and Ar
3. P and N
4. C and Na

Answer 1

3. P and N

Step-by-step explanation:

Since they are in the same family group on the periodic table (the elements in vertical lines), they are the most similar. Hope this helps!

Answer 2

3. P and N

Step-by-step explanation:

Both elements are in the same group, sharing the most similar properties.