Question

1. using the periodic table, predict which elements will have similar chemical properties or reactivity. cadmium, calcium, and carbon magnesium, strontium, and barium rubidium, yttrium, and zirconium nitrogen, sulfur, and bromine clear all

Explanation:

Elements in the same group of the periodic table have similar chemical properties as they have the same number of valence electrons. Magnesium (Mg), strontium (Sr), and barium (Ba) are all in Group 2 (alkaline - earth metals).

Answer:

Magnesium, strontium, and barium