Grade 12 Chemistry

Redox Reactions: Oxidation, Reduction, and Everything You Need to Know Why Your Phone Battery, Rusty Iron, and a Cut Apple All Share One Idea Think about three everyday things: a freshly cut apple slowly browning on your kitchen counter, an iron railing turning orange-red after weeks of rain, and a smartphone battery quietly powering your […]

Modern periodic table is the systematic arrangement of elements based on increasing atomic number. The formation of this periodic table is not a matter of months or years. It took centuries to evolve. History of Periodic Table From the beginning of human history till 17th century, humans knew only a dozen of elements like gold,