The electronic configuration of a sodium atom is 2, 8, 1, indicating that it has one electron in its outermost shell.

If metal A displaces metal B from its solution, it means that metal A is more reactive than metal B.

Ores are distinguished from other minerals by their high concentration of a specific metal, making them economically viable for metal extraction.

Ores are minerals that contain a high percentage of a particular metal and can be profitably extracted from them.

Some soluble salts found in seawater include sodium chloride (common salt) and magnesium chloride.