By Avneet and Jayne
What is Zinc?
- Zinc is the chemical element and is number thirty (30) on the periodic table.
- Zinc is also commonly called “Spelter”.
- It was discovered in 1746 by Andreas Marggraf.
- The symbol for zinc is Zn.
- Zinc is a transition metal.
- The crystal structure of zinc is hexagonal.
- Number of electrons per shell: 2, 8, 18, 2
- Number of Protons/Electrons: 30
- Number of Neutrons: 35
- The element name is believed to come from the German word ‘zinke’, which means "pointed".
- Uses of zinc include: metal coating, rust protection, brass, bronze and nickel.
- It naturally exists in the air, water, soil, biospher and the Earth's seawater.
- Zinc makes up about 75 parts per million of the Earth's crust.
- It is found in several ores from the principal mining areas in China, Australia and Peru.
- Zinc is usually found with other elements like copper.
- It is usually a blue-gray metallic color.
- Zinc powder is a component in alkaline batteries.
- In humans, high concentrations of zinc are found in the eyes.
- Zinc can be limitlessly recycled.
- Zinc is also created when supernovas happen.
- Zinc deficiency is ranked as the 5th leading risk factor in causing diseases worldwide.
These are the properties of Zinc.