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说明 :黑体为试题 ,楷体为答案 ,宋体为参考性说明 (不是答案 )。 1 1 999年是人造元素丰收年 ,一年间得到第 1 1 4、1 1 6和 1 1 8号三个新元素。按已知的原子结构规律 ,1 1 8号元素应是第七周期第零族元素 ,它的单质在常温常压下最可能呈现的状态是气 (气、液、固选一填
Explanation: The black body is the test item, the body is the answer, and the Song body is the reference description (not the answer). The 1 1 999 year was a year of harvest of man-made elements, and three new elements of 1114, 1116, and 118 were obtained during the year. According to the known atomic structure rule, the element No. 118 should be the No. 7 element of the seventh cycle, and its element at the normal temperature and pressure is most likely to be in the form of gas (gas, liquid, and solid).