organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number. Scientists use the periodic table to quickly refer to information ...

The frame is also a starting point for a range of graphic elements seen in the following sections of this page, and extends the visual language of the brand Due to the range and scale of materials ...

His principal contribution to chemistry was the 'vis tellurique' (telluric screw), a three-dimensional arrangement of the elements constituting an early form of the periodic classification, published ...

Astrophysicist Suzanna Randall explains where the elements in our body come from in this episode of "Starlight" from the ...

on Atomic Data for Heavy Element Impurities in Fusion Reactors. In accordance with priorities in fusion energy research, data sets related to heavy element impurities are essential in plasma modelling ...

Microsoft co-founder Paul Allen bought a copy of Einstein's infamous 1939 letter to Roosevelt in 2002. It just sold at ...

Relative atomic mass is not the same as mass number. Mass numbers close mass numberThe number of protons and neutrons found in the nucleus of an atom. are whole numbers because they are the number ...

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Researchers have demonstrated a new optical atomic clock that uses a single laser and doesn't require cryogenic temperatures.

The spectra of specimens with many elements can be packed tightly together and the spectral parting of adjacent atomic transitions demands a high-resolution spectrometer. For a "quantitative" ...

Elements in Physics beyond the Standard Model with Atomic and Molecular Systems presents novel atomic and molecular systems as a platform to study physics beyond the Standard Model, based on the ...

A Florida-based private equity firm is now the majority owner of Minneapolis-based IT services firm Atomic Data. Here's what ...