Period and Group number of Zn in the modern periodic table
Period number: 4
Group number: 12

Explanation
- Zinc (Zn) is a transition metal located in period 4 and group 12 of the modern periodic table.
- It has an atomic number of 30 and is denoted by the symbol Zn.
- Being a transition metal, zinc exhibits typical metallic properties such as high electrical conductivity, malleability, and ductility.
- In terms of its chemical properties, zinc tends to form a +2 oxidation state, making it a common component in various compounds and alloys.
- Zinc is an essential trace element for humans and plays a crucial role in various biological processes.
- It is commonly used in the production of batteries, alloys (such as brass), and as a protective coating for other metals through the process of galvanization.
- With its placement in period 4 and group 12, zinc exhibits characteristics that are typical of transition metals while also having its unique properties that make it a valuable element in various applications.