nowe tũhoyaga, na Wee wiki nowe tũkayagĩra ũtũteithie; Tũtongorie na njĩra ĩrĩa yere-kereire, O njīra ya aria Wee ũtũgĩte no ti njĩra ya arĩa ũrakarĩire
硫酸镭是一种无机化合物,化学式为RaSO4,有强放射性。它是最难溶的硫酸盐,溶度积为3.66×10-11。 硫酸镭可以通过氢氧化镭和硫酸钠反应得到: Ra(OH)2 + Na2SO4 → RaSO4↓ + 2 NaOH Richard C. Ropp. Encyclopedia of the Alkaline
ISBN 978-3-11-043655-6. Feschotte, P.; Spitz, E. L. Domain of existence and stability of the Laves phase silver-sodium (Ag2Na). Journal of the Less-Common Metals,
\ 6Na+2O_{2}\to 2Na_{2}O+Na_{2}O_{2}} 將熔融狀態的鈉金屬與硝酸鈉反應,也能製取氧化鈉: 10 N a + 2 N a N O 3 → 6 N a 2 O + N 2 ↑ {\displaystyle \ 10Na+2NaNO_{3}\to 6Na_{2}O+N_{2}\uparrow