A. Groups B. Periods C. Elements D. Properties 相关知识点: 试题来源: 解析 B。原因:文章中明确提到“The horizontal rows or periods show how the properties of elements change as you move across.”,即水平行被称为 periods。反馈 收藏
1. What is the name for the horizontal rows of the periodic table? B A. groups B. periods C. families D. sets 相关知识点: 试题来源: 解析B1. B: The horizontal rows of the periodic table are called periods. The vertical columns of the periodic table are known as groups or families....
ThePeriodic Tableis a table of all theelementswe know about today. Elements are placed in order ofatomic number( number of protons in the nucleus ). The periodic table is a way of listing and organising elements. MY LATEST VIDEOS The rows of the periodic table are calledperiods, and the ...
The columns of the periodic table are called groups. All elements in a group share the same number of valence electrons. The three broad categories of elements are metals, nonmetals, and metalloids. Most elements are metals. Nonmetals are located on the righthand side of the periodic table. ...
What are elements in groups 3 through 12 on the periodic table called? What are the periodic trends on the table? What group is fermium in on the periodic table? What column is nobelium in on the periodic table? What do the elements in each column of the periodic table have in common?
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...
What is the periodic table? And what does quan- tum mechanics contribute to the question? Found. Chem. 14, 1, 69-81. (doi:10.1007/ s10698-011-9124-y).Scerri, E.R.: What is an element? What is the periodic table? And what does quantum mechanics contribute to the question? Found....
Which of the elements in the following periodic table are noble gases? Which of the elements in the following periodic table are d-transition elements? What are the elements called that are found in an A group (groups 1, 2, and 13-18) on the periodic table (also called representat...
百科挑战题1) What is the letter forprop in the periodic table of chemical elements(化学素周期)? A.Fe B.Zn C.Ha2) What is the best way to look up information on the interne? A. By using e-mail B. By using QQ B33) What is the material of pengl leag()? A.lime B. graphite(...
What elements on the periodic table are nonmetals? What do the elements in each column of the periodic table have in common? Where was the periodic table discovered? How are elements classified in the periodic table? What do elements in the first two columns of the periodic table have in ...