What's English for 8:10?
It's _________.
A:ten past eight
B:ten eight
C:ten to eight
①HF、HCl、HBr、HI的热稳定性依次减弱
②NH3易液化
③F2、Cl2、Br2、I2的熔、沸点逐渐升高
④H2S的熔、沸点小于H2O的熔、沸点
⑤NaF、NaCl、NaBr、NaI的熔点依次降低
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