nguyên tố hoá học

== Vietnamese == === Etymology === Sino-Vietnamese word from 元素 (“element”) and 化學 (“chemistry”). === Pronunciation === (Hà Nội) IPA(key): [ŋwiən˧˧ to˧˦ hwaː˧˦ hawk͡p̚˧˨ʔ] (Huế) IPA(key): [ŋwiəŋ˧˧ tow˨˩˦ hwaː˨˩˦ hawk͡p̚˨˩ʔ] (Saigon) IPA(key): [ŋwiəŋ˧˧ tow˦˥ waː˦˥ hawk͡p̚˨˩˨] === Noun === nguyên tố hoá học chemical element