挑战习题
1/5单选题
难度:

1.下列元素中,金属性最强的是
A
B
C
D
提示1:
5ZCM5ZGo5pyf6Ieq5bem6ICM5Y+z77yM5YWD57Sg55qE6YeR5bGe5oCn5YeP5byx77yM5ZCM5Li75peP6Ieq5LiK6ICM5LiL77yM6YeR5bGe5oCn5aKe5by6
正确答案:RA==
Q2zjgIFT44CBQWzjgIFOYeS9jeS6juWRqOacn+ihqOebuOWQjOWRqOacn++8jOWQjOWRqOacn+WFg+e0oOS7juW3puWIsOWPs+WFg+e0oOeahOmHkeWxnuaAp+mAkOa4kOWHj+W8se+8jOWImemHkeWxnuaAp05h77yeQWzvvJ5T77yeQ2zvvIzliJnph5HlsZ7mgKfmnIDlvLrnmoTkuLrpkqDvvI48YnI+5pWF6YCJRO+8jg==