Я хочу рассказать тебе о хорошем приложении Таблица Менделеева: https://play.google.com/store/apps/details?id=mendeleev.redlime

This one really does it for me: it shows all the available data of every element and updates are issued regularly. There are also tables like polyaromatic compounds, solubility tables, pH indicators etc., though some functions are limited to the Pro version.

Properties: Radon

Atomic number: 86 Atomic weight (Relative atomic mass): 222.0176 (g/mol) Density: 0.0098 (g/cm³) Melting point: -71 °C = -95.8 °F = 202.15 K Boiling point: -61.8 °C = -79.24 °F = 211.35 K Period: 6 Group: VIIIB Block: p - block Read more here: https://play.google.com/store/apps/details?id=mendeleev.redlime

That's amazing! I myself know 30 to 34.

This app helped me a lot

using an app called periodic table from play store.

I have two recomendations,

Periodic Table 2018 https://play.google.com/store/apps/details?id=mendeleev.redlime

and

Isotope - Periodic Table https://play.google.com/store/apps/details?id=com.underwood.periodic_table

I have personally tried both and the first one is quite satisfactory in basic info and the second one is also decent