You probably learned in high school chemistry class that core electrons don't participate in chemical bonding.

Research suggests some metals’ semicore electrons may be more active on Earth’s surface than previously thought.

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CBSE Class 10 Hindi B Sample Paper 2025-26: The CBSE Class 10 Hindi B sample paper is an important tool that helps students prepare for their board exams. They can download the PDF here for FREE. This ...

Give NCERT top priority because practically all exam questions are derived from NCERT examples and text. Concentrate on heavier subjects like thermodynamics, organic chemistry, hydrocarbons, and ...

The Central Board of Secondary Education, CBSE, will be commencing the examination form submission for private students of Classes 10 and 12 from Tuesday, September 9, 2025. The examinations will be ...

The Central Board of Secondary Education has announced the exam form submission for Classes 10 and 12. Students appearing as private, repeat, compartment, or improvement candidates can register. The ...

A new boron-rich compound, manganese diboride, delivers much higher energy density than current solid-rocket materials while remaining stable until intentionally ignited. Its power comes from an ...

The National Institute of Open Schooling (NIOS) has released the datasheet for the Secondary and Senior Secondary Public Exams 2025. Candidates can check the schedule result on the official website at ...