下列关于锂原子结构和性质的判断中,错误的是 ( ) 1与水反应比钠剧烈 2它的原子半径比钠原子小 3它的氧化物暴露在空气中易吸收 CO 2 4它的阳离子最外层电子数和钠离子的最外层电子数相同 5它是强还原剂 6锂应保存在煤油中以隔绝空气 7 Li 在空气中燃烧生成 Li 2 O 2 A .1467 B .123 C .356 D .147
【简答题】After blogging regularly for two months, people felt they had better social support and friendship networks than those who didn’t blog. Blogging can help you feel less isolated, more connected to a co...
【简答题】C. After blogging regularly for two months, people felt they had better social support and friendship networks than those who don’t blog. Blogging can help you feel less isolated, more connected to a ...
【简答题】Science Daily (May 1S, 2012) - People who rate themselves as having high emotional intelce (El) tend to overestimate (高估) their ability to detect deception(欺骗) in others. This is the find...