百度试题 结果1 题目The element with atomic number 1 is___. A. hydrogen B. oxygen C. nitrogen D. carbon 相关知识点: 试题来源: 解析 A。原子序数为 1 的元素是氢。氧气原子序数为 8,氮气原子序数为 7,碳原子序数为 6。反馈 收藏
The chemical element with atomic number 20 is calcium. What is the abbreviation for c
The chemical element with atomic number 15 is phosphorus. What is the abbreviation fo
The chemical element with atomic number 11 is sodium. What is the abbreviation for so
The element with atomic number 14 is? A. Silicon B. Phosphorus C. Sulfur D. Chlorine 相关知识点: 试题来源: 解析 A。解析:原子序数为 14 的元素是硅元素。磷元素原子序数为 15,硫元素原子序数为 16,氯元素原子序数为 17。所以答案是 A。
The chemical element with atomic number 14 is silicon. What is the abbreviation for s
research collaborations for the discovery of the element with atomic number 112 at Gesellschaft f眉r Schwerionenforschung (GSI) share in the fulfillment of those criteria. A synopsis of Z = 112 experiments and related efforts is presented. A subsequent report will address identification of higher-...
To determine the block, group number, period, and outer shell electronic configuration of the element with atomic number 107, we can follow these steps:Step 1: Identify the nearest noble gas The atomic number of the element is
To determine whether the statement "The element with atomic number 17 has the least size among all the elements of that period" is true or false, we can follow these steps:Step 1: Identify the Element - The element with atomic
PREVIOUSLY 1 , we have presented evidence for the possible existence of a superheavy element with atomic number 112. The principal evidence for the possibl... A Marinov,CJ Batty,AI Kilvington,... - 《Nature》 被引量: 55发表: 1971年 EVIDENCE FOR THE POSSIBLE EXISTENCE OF A LONG-LIVED SU...