×
Więcej pytań

Stront (Strontium)

Pierwiastek chemiczny
Stront – pierwiastek chemiczny z grupy berylowców w układzie okresowym. Wikipedia
Symbol: Sr
Konfiguracja elektronowa: [Kr] 5s2
Liczba elektronów na powłokę: 2,8,18,8,2
Liczba atomowa: 38
Masa atomowa: 87,62 u
Elektroujemność: 0,95
Seria chemiczna: Metale, Berylowce i Pierwiastki piątego okresu

From Middle Dutch stront (“shit, dreck, manure”), from Old Dutch *strunt (“excrement, turd, shit”), from Proto-West Germanic *strunt (“dirt, filth”).
stront. noun. shit [noun] an impolite or offensive word for the solid waste material that is passed out of the body.
Strontium is a chemical element; it has symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white yellowish metallic element ...
stront. Split keyboard with 38 keys, LCD display and trackpad (Azoteq or Cirque). Features.
Strontium is a naturally occurring element found in rocks, soil, dust, coal, and oil. Naturally occurring strontium is not radioactive and is either ...
1 mar 2024 · Strontium is a soft metal like lead and, when freshly cut, has a silvery lustre. It rapidly reacts in air to take on a yellowish colour; ...
7 kwi 2023 · His latest model, the Stront, is a low-pro split keyboard with 38 keys, only compatible with Choc v1 for now, featuring Waveshare RP2040 Zero ...
) is a radioactive isotope of strontium produced by nuclear fission, with a half-life of 28.8 years. It undergoes β decay into yttrium-90, with a decay energy ...
Strontium is a silvery metal found naturally as a non-radioactive element. About 99% of the strontium in the human body is concentrated in the bones.