化学里的元素(element)基本可以分成 metal(金属) 与 nonmetal (非金属) 两类,金属元素又有一系列特别的 transition metals(过渡金属)。周期表上金属与非金属交界处又有着一系列具有特殊性质的元素,被称为 metalloid(准金属) 或 semimetal(半金属X。 以下是几种常见元素信息名称的中英对照: 原子序数 - Atomic Numb...
Modern Periodic Table1. Modern Periodic Law: similar properties of the elements occurperiodically when arranged by their atomic (not masses)2. The arrangement of the periodic table is now based on howelectrons fill various energy levels3. Organization:a.Period: horizontal row of elements by ...
lanthanide: inner transition metal in the top of the bottom two rows of the periodic table main-group element: (also, representative element) element in columns 1, 2, and 12–18 metal: element that is shiny, malleable, good conductor of heat and electricity metalloid: element that conducts ...
1.Identifythefollowingasmetals,nonmetals,ormetalloidsusingtheperiodictable.(a)silicon(Metalloid)(b)fluorine(Nonmetal)(c)uranium(Metal)(d)mercury(Metal)(e)arsenic(Metalloid)(f)iridium(Metal)2.Listthreedifferencesinthephysicalpropertiesbetweenmetalsandnonmetals.Metalsareshiny,malleableandgoodconductorswhereas...
Answer to: Identify the group and period for each of the following. Refer to the periodic table. Label each as a metal, nonmetal, or metalloid. ...
Metals/Nonmetals: Colors according to the metallic character of the elements (alkali, alkaline earth, metalloid, transition metal, other metal, or nonmetal). Advanced Tab The figure below shows theAdvancedtab of thePeriodic Table. For a detailed explanation of the buttons, seeQuery features. ...
It is the most abundant metal in the Earth's crust. * Silicon (symbol Si) is a metalloid. It is a semiconductor, making it the principal component in many integrated circuits. Silicon dioxide is the principal constituent of sand. * Phosphorus (symbol P) is a nonmetal essential to DNA. ...
Metalloid: Elements that are a mix between metals and nonmetals Noble gas: Six odorless, colorless gases with low reactivity Nonmetal: Group of elements that are poor conductors of heat and electricity; dull and brittle Periodic table: Display of the chemical elements Post-transition metal: ...
Typically silver gray, typically solids at room temperature, reflect light when polished, can be hammered flat or bent, high melting points, good conductors of heat and electricity, left and middle of periodic table 選擇正確的詞語 1 Group 2 Metalloid 3 Nonmetal 4 Metal 不知道嗎? 本學習集中的...
Introduction to the Periodic Table People have known about elements like carbon and gold since ancient time. The elements couldn't be changed using any chemical method. Each element has a unique number of protons. If you examine samples of iron and silver, you can't tell how many protons ...