Element symbols with own images are in bold, those with external images are not, imitations areitalicand those without individual image are grey. Put the mouse pointer on a symbol in the periodic table above to see the element's name. The chemical elements of the periodic table are ordered ...
An element in chemistry is a substance that cannot be broken down into different substances. An element is made up of only one type of atom. An element symbol is a shorthand used to represent an element. A chemical symbol is a letter or pair of letters used to represent a chemical elemen...
SYMBOL Bk ATOMIC NUMBER 97 ATOMIC MASS 247.0703 FAMILY Actinide Transuranium element PRONUNCIATION BER-klee-um The UCB researchers fired alpha particles—heliumatoms without their electrons—atameririumatoms in their particle accelerator. The result was a new element—number 97. ...
SYMBOL Am ATOMIC NUMBER 95 ATOMIC MASS 243.0614 FAMILY Actinide Transuranium element PRONUNCIATION am-uh-REE-see-um Americium was first produced in a nuclear reactor. A nuclear reactor is a device in which elements are bombarded by neutrons, sometimes forming new elements. The name, americium, in...
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For these elements, the symbol usually refers to an older name that isn't used anymore. History of the Abbreviations There are eleven element abbreviations that don't seem to match their modern names. Those are subtle reminders of thehistory of the Periodic Tableand the process of the discover...
Element Name Series Symbol Thermal Conductivity Year of Discovery HazMat Household Guide to Handling Household Chemicals The Dangers of Lawn Chemicals at Home Industry Emergency Response Guidebook (ERG) List materials by UN Number Material Name Guide Pages Table of Initial Isolation and Protective Action...
The chemical element symbol for silver is ___. A. Si B. Sn C. Ag D. Zn 相关知识点: 试题来源: 解析 C。Ag 是银(silver)的化学元素符号。Si 是硅(silicon)的化学元素符号,Sn 是锡(tin)的化学元素符号,Zn 是锌(zinc)的化学元素符号。反馈...
SYMBOL Ne ATOMIC NUMBER 10 ATOMIC MASS 20.179 FAMILY Group 18 (VIIIA) Noble gas PRONUNCIATION NEE-on Neon has relatively few uses. The most familiar is neon lighting. Today, neon signs of every color, shape, and size exist. Neon signs are often filled with neon gas, but...
Polonium is the heaviest element in the chalcogen family. It is in Group 16 (VIA) on the periodic table. The periodic table is a chart that shows how chemical elements are related to one another. The other chalcogen elements are oxygen, sulfur, selenium, and tellurium. SYMBOL Po ATOMIC...