未知题型
A、氟B、氯C、溴D、碘正确答案：溴
碘单质在四氯化碳中的颜色为：
未知题型碘单质在四氯化碳中的颜色为：
A：It sounds wonderful. Do I have to sign a lease? How m...
单项选择题A：It sounds wonderful. Do I have to sign a lease? How much should I pay? B：Yes, it’s a lease. And $ 200 a week with one month refundable deposit. A. one year B. one-year
卤族元素单质的颜色随原子序数的增大，一般变化趋势为：
未知题型卤族元素单质的颜色随原子序数的增大，一般变化趋势为：
