Question

which of the following elements would be chemically similar to calcium (ca)?

Explanation:

Elements in the same group (vertical column) of the periodic table have similar chemical properties. Calcium (Ca) is in Group 2. Strontium (Sr) is also in Group 2. Potassium (K) is in Group 1, Scandium (Sc) is in Group 3, Sulfur (S) is in Group 16, and Gallium (Ga) is in Group 13.

Answer:

B. Sr