noun🔗ShareهيليومThe second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas."The birthday balloons were filled with helium, which made them float to the ceiling. "ملئت بالونات عيد الميلاد بالهيليوم، مما جعلها تطفو إلى السقف.elementchemistrysubstancematerialphysicsscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareهيليومA form or sample of the element."The science experiment required a sample of helium. "تطلبت التجربة العلمية عينة من الهيليوم.elementsubstancechemistryChat with AIVocabulary GamePractice Reading
