calcium / beryllium belongs to alkaline earth metal family , group 2 on the periodic table
beryllium is metallic_element. one_of_chemical_elements is not beryllium. calcium is alkaline_earth_metal. one_of_chemical_elements is beryllium. calcium is not alkaline_earth_metal. group_2_elements is alkaline_earth_metals. calcium is element. beryllium is not chemical_element. beryllium is chemical_element. one_of_chemical_elements is calcium.