Question

1. which of the following pairs of elements are likely to have the most similar physical properties? ba and mg ca and k li and f al and o clear all

Explanation:

Elements in the same group of the periodic table tend to have similar physical and chemical properties. Barium (Ba) and Magnesium (Mg) are both in Group 2 (alkaline - earth metals). Calcium (Ca) is in Group 2 and Potassium (K) is in Group 1. Lithium (Li) is in Group 1 and Fluorine (F) is in Group 17. Aluminum (Al) is in Group 13 and Oxygen (O) is in Group 16.

Answer:

Ba and Mg