pure calcium (ca) is a silvery solid that reacts with oxygen. which of the following elements in the…

pure calcium (ca) is a silvery solid that reacts with oxygen. which of the following elements in the periodic table has properties similar to those of calcium?\na chlorine (cl)\nb chromium (cr)\nc hydrogen (h)\nd strontium (sr)

pure calcium (ca) is a silvery solid that reacts with oxygen. which of the following elements in the periodic table has properties similar to those of calcium?\na chlorine (cl)\nb chromium (cr)\nc hydrogen (h)\nd strontium (sr)

Answer

Answer:

D. strontium (Sr)

Brief Explanation:

Elements in the same group of the periodic - table have similar chemical properties. Calcium (Ca) and strontium (Sr) are both in Group 2 (alkaline - earth metals), so they have similar properties. Chlorine is a non - metal in Group 17, chromium is a transition metal, and hydrogen is a non - metal with unique properties not similar to calcium's.