Calcium and Magnesium belongs to the same group as per the periodic table.
Answer: Option (A)
Step-by-step explanation:
- Calcium and Magnesium belongs to the Alkaline earth metals group.
- Alkaline earth metals belong to group 2 and they are less reactive than alkali metals.
- This group contains six elements.
- These metals are silver in color and soft in nature.
- They possess low melting, density, and boiling points.
- Atomic radius increases down the group and beryllium has a smaller atomic radius.
- Ionization energy decreases down the group and barium has higher ionization energy.