and since the mass of the beta particle is extremely small compared with that of the atom, there is practically no decrease in atomic weight. Now in the Periodic Table the valency for oxygen ...

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It’s an odd piece of kit, this stereo receiver sitting on a side table in our dining room. While most might regard it as some ...

The National Medical Commission (NMC) released the NEET UG 2025 syllabus, covering Physics, Chemistry, and Biology. T ...

Mechanical force is an essential feature for many physical and biological processes. Remote measurement of mechanical ...

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Since the 1950s, scientists have used radio waves to uncover the molecular "fingerprints" of unknown materials, aiding in ...

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SINCE no natural constants are more used by chemists than the atomic weights ... concerning the periodic system of the element. In the compilation of the following table the chief emphasis ...

was less than the atomic mass (average mass of the atom). For example, a helium atom has an atomic mass of 4, but an atomic number (or positive charge) of 2. Since electrons have almost no mass ...

propagation of electro-magnetic waves along periodic circuits and filtering properties of such systems.