C. Their components can be separated by physical processes.
The columns of the periodic table, also referred to as "groups" contain elements with similar reactive properties, due to these elements having a similar configuration of electrons in their outer shell.
(4) Zirconium
This element is often used in the chemical production field, and as implants due to its high chemical resistance and stability.
The answer that i got was three
i redid it and got some answer like 4.62 x1014<span> Hz</span>