A significant portion of the questions, especially in the Inorganic Chemistry section, is directly derived from NCERT lines. Reading NCERT thoroughly ... It helps you understand the exam pattern, the ...
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Scientists Puzzled by 'Rule of Four' Pattern Found in Most MaterialsThe pattern is found in the so-called "unit cell ... Next, the team turned to chemistry for answers. They remembered that the element silicon has a "coordination number" of four—meaning that ...
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