The correct option is (a) zinc.
Metals are minerals or substances that form naturally below the surface of the Earth. Most metals are lustrous or shiny. Metals ate inorganic, which means they are made of substances that were never alive.
Zinc (Zn)
Zinc is a transition earth metal with an atomic number of 30 and represented in the Periodic Table with the symbol ‘Zn’.
- Zinc is one more of those advantageous metals that we make use of daily.
- Freshly cast zinc has a bluish silver surface but slowly oxidizes in the air to form a film of greyish protective oxides.
- Highly pure zinc is ductile; the so-called prime western grade is brittle when cold but can be rolled over 100 ° C (212 ° F) into flexible sheets.
- The zinc crystallizes in the tightly packed hexagonal form.
