The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...
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Why is mercury a liquid?

Mercury is a metal, yet it has some weird physical properties, including being a liquid at room temperature.
As Class 10 Science exams approach, students are revising the periodic table using smart memory techniques rather than rote learning. The periodic table reflects chemical patterns, including ...
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