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 ...
百度试题 结果1 题目What are the horizontal rows in the periodic table called? A. Groups B. Blocks C. Periods D. Orbitals 相关知识点: 试题来源: 解析 C。原因:文章中明确提到“The horizontal rows are called periods.”。 反馈 收藏
百度试题 结果1 题目What is a row of elements on the periodic table called? A. octave B. period C. group D. transition 相关知识点: 试题来源: 解析 B 反馈 收藏
Periodic tableMadelung ruleThis article considers two important traditions concerning the chemical elements. The first is the meaning of the term "element" including the distinctions between element as basic substance, as simple substance and as combined simple substance. In addition to briefly tracing ...
解析 Ans. The d block elements are in the middle of S and p blocks, comprising the groups 3to 12.They are the four rows of elements in the periods 4h (3d series), 5th (4d series), 6th ( 5d series)and 7h ( 6d series).
A. All elements are solids. B. Elements in different periods have no similarities. C. The periodic table helps us understand the relationships between elements. D. The periodic table only shows the names of E. lements. 相关知识点: 试题...
“Things will always achieve balance, and in this casethat's a mix of common, stable compounds.50. According to the article, we can learn that if we put all the elements on the periodic table intoone container, we shouldA. get a new super elementB. create something uniqueC. give life...
are called periods. The period number of an element signifies the highest energy level an electron in that element occupies (in the unexcited state). The number of elements in a period increases as one traverses down the periodic table because as the energy level of the atom increases, the ...
Most elements on the periodic table are what?Periodic TableThe arrangement of the periodic table provides a way to distinguish between the three types of elements. The three types of elements are metals, metalloids and non-metals. To the left of the metalloids are the metals with the exception...
aTransfer Students – you may make an appointment with Kelly MacArthur in the Math Department to see if your former university’s math course will fulfill the math requirement here at the University of Utah. 调动学生-您在算术部门可以定一次约会与凯利MacArthur看您的前大学的算术路线是否这里将履行算...