Terms and text shown below represent Tulkin’s contributions to TermWiki.com, a free terminology website and knowledge resource for the translation community.
The amount of time it takes for half an initial amount to disintegrate.
Вoshlang'ich miqdorning yarmini yo'qqa chiqarish uchun zarur bo'gan vaqt.
1. The OH- ion. 2. Compounds containing the OH- ion. See also: hydroxide compounds.
1. OH- ioni. 2. OH- ionlarini o'z ichiga olgan aralashmalar. Shuningdek, gidroksid moddalarni qarang.
An element is a substance composed of atoms with identical atomic number . The older definition of element (an element is a pure substance that can't be decomposed chemically) was made obsolete by the discovery of isotopes .
Atom raqamlari bir xil bo'lgan atomlardan tashkil topgan modda. Elementga berilgan avvalgi ta'rif (element bu kimyoviy bo'linmas toza modda) izotopning kashf qilinishi bilan o'z kuchini yo'qotdi.
A colorless, odorless gas produced by respiration and combustion of carbon-containing fuels.
Nafas olish jarayonida hamda uglerod tutuvchi yoqilg'ilarning yonishi natijasida hosil bo'luvchi rangsiz, hidsiz gaz.
When one or more hydroxide (OH) groups are bonded to a central atom.
Bir yoki bir necha OH guruhlarning markaziy atomga bog'langan holati.
A substance that is made up of two or more chemically bonded elements.
Ikki yoki undan ortiq kimyoviy bog'langan elementlardan tashkil topgan modda.
Polar molecules. A molecule that has a partial charge, thus not fully charge.
To'liq emas, balki qisman zaryadga ega molekula.
Measure of a substance's ability to attract electrons.
Moddaning elektronlarni jalb qilish qobiliyatining o'lchovi.
An arrangement of the elements according to increasing atomic number that shows relationships between element properties.
Element xususiyatlari o'rtasidagi munosabatlarni ko'rsatuvchi, elementlarning atom raqamlari o'sishi tartibida tuzilgan jadval.
A process that absorbs heat. The enthalpy change for an endothermic process has a positive sign.
Issiqlik yutilishi bilan boradigan jarayonlar. Endotermik jarayon uchun entalpiya ko'rsatkichi musbat bo'ladi.