Calcium (Ca) and Beryllium(Be) are similar to Magnesium (Mg) because all three elements belong to the same group and have two (2) valence electrons in their outermost shell.
Calcium (Ca) and Beryllium(Be) are similar to Magnesium (Mg) because all three elements belong to the same group and have two (2) valence electrons in their outermost shell.