Interactive browser visualizations for materials science: periodic tables, 3d crystal structures, Bohr atoms, nuclei, heatmaps, scatter plots.

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table.

BH« SH' SH' RH S'O SO R'O' SO1 S'O' SO' R'O' SO' 1 H-l X Li - 7 Be -9'4 B - ll C - 12 N-14 0-16 ... 12 — — — Th - U- 240 — Fig. 1. Periodic Table as Arranged by Mendelejeff attention ...

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev ... details the atomic weight intervals officially presented by IUPAC. 9 The interval notation ...

How do we calculate mass and atomic numbers? VideoHow do we calculate mass and atomic numbers? This video is an interactive lesson in calculating an atom's mass and atomic number.

I recently created a chemistry-themed tutorial video using Screencastify and visuals presented on Google Slides. My goal was to demonstrate how students can use the periodic table to create atom ...

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Patients with active ulcer disease, macroscopic evidence of Barrett’s oesophagus, severe (>grade 3) oesophagitis, and neoplasia were excluded ... Additional sections taken at the second level from all ...