Tē-1 chiu-kî goân-sò͘
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Tē-1 chiu-kî goân-sò͘ (第1周期元素) sī goân-sò͘ chiu-kî-piáu lāi tē-it hâng (chiu-kî) ê goân-sò͘; tī chit-ê chiu-kî kan-na ū chúi-sò͘ kap helium nn̄g ê goân-sò͘.
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