Besonderhede van voorbeeld: -5978265995885001697

English

Its melting (777 °C) and boiling (1655 °C) points are lower than those of calcium (842 °C and 1757 °C respectively); barium continues this downward trend in the melting point (727 °C), but not in the boiling point (2170 °C).

Chinese

它比钙软,比钡硬,其熔点(777 °C)和沸点(1655 °C)比钙的低(熔点842 °C,沸点1757 °C),钡的熔点顺着这个趋势下降(727 °C)但沸点(2170 °C)却上升了。