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Calcium is dull gray, but it is shiny when scratched. Other physical properties. Calcium is an excellent conductor of electricity. It is very soft and easily scratched. Chemical properties. Calcium reacts rapidly with air to form a coating of gray oxide, and it burns with a red flame.
Confidence votes 226. elements in each group of the periodic table have identical chemical properties as they have the same no. of valence electrons which determines their chemical properties. since calcium is in group II of the periodic table, it has the same chemical properties as the elements in group II.Elements in group II consists of: Be, Mg, Ca, Sr, Ba, Ra Elements in the same group has different physical properties such as boiling and melting points.agnesium, calcium, strontium, barium and radium have similar  properties to beryllium.   All the elements in group two of the periodic table have the same  or similar p â¦ roperties. This is because they have the same number of  electrons in their outermost shell.