百度试题 结果1 题目There are ___ main groups in the periodic table. A. 7 B. 8 C. 9 D. 10 相关知识点: 试题来源: 解析 B。元素周期表有 8 个主族。反馈 收藏
结果1 题目What are the horizontal rows in the periodic table called? A. Groups. B. Periods. C. Elements. D. Compounds. 相关知识点: 试题来源: 解析 B。中文解析:“The periods are horizontal rows”,周期表中的水平行称为周期。反馈 收藏 ...
题目The horizontal rows in the periodic table are called___. A. groups B. periods C. families D. series 相关知识点: 试题来源: 解析 B。元素周期表中的水平行称为周期。选项 A 组是垂直列;选项 C 家族不准确;选项 D 系列也不是水平行的正确名称。反馈 收藏...
To determine which group in the periodic table contains elements in all three physical states (solid, liquid, and gas) at room temperature, we can analyze each group provided in the options. 1. Identify the Groups: We have four groups to consider: - Group 5A (Nitrogen family) - Group ...
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Submit Delectronegativity decreases on moving down a group Submit DElectronegativity decreases on moving down a group Submit The elements of same group of the periodic table have View Solution View Solution View Solution View Solution Exams IIT JEE ...
More so than any of the other major groups of elements in the periodic table, the transition metals have shaped human history and have been the workhorses of industry. The discovery of metallic copper ended the Stone Age and ushered...
One of the early models of the periodic table arranged elements by atomic weight, which naturally grouped elements with similar properties together. 有种早期的元素周期表按原子量来排列元素,自然就将性质相似的元素放在一起了。 However, certain elements were outliers, and did not fit in their groups....
Periods in The Periodic Table Metals and Non-metals in the Periodic Table The periodic table is a list of all the known elements which are arranged according to the similarities in their properties. Non-metals are mostly on the right. 8 Metals are on the left and in the centre. 1 2 3...
The periodic table groups the ( )in order of increasing atomic number in such a way that elements with similar properties fall near each other. As the ( )increases, the number of electrons in each atom also increases.的答案是什么.用刷刷题APP,拍照搜索答疑