Symbol: N Atomic Number: 7 Atomic Mass: 14.00674 amu Melting Point: -209.9 °C (63.250008 K, -345.81998 °F) Boiling Point: -195.8 °C (77.35 K, -320.44 °F) Number of Protons/Electrons: 7 Number of Neutrons: 7 Classification: Non-metal ...
A symbol represents the element's stoichiometric quantity. The letter "B" stands for oneatomof the element Boron, for example. Similarly, the letters "S" and "Mg" stand for one atom of Sulphur and one atom of Magnesium, respectively. There are 6.022 10-23 moles of particles in one atom...
Hydrogen: Lightest chemical element, chemical symbol H, atomic number 1. 氢: 一种轻的化学元素, 化学符号H, 原子序数1. 来自互联网 2. Nitrogen: Gaseous chemical element, chemical symbol N, atomic number 7. 氮: 气态化学元素, 化学符号N, 原子序数7. 来自互联网 3. Lead: Metallic chemical elemen...
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...
GOLD The chemical symbol for gold is Au. The symbol comes from the Latin word for gold, aurum. Aurum means "shining dawn." Discovery and naming Gold objects dating to 2600 B.C. have been found. They were discovered in the royal tombs of the ancient civilization of Ur. These objec...
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...
When the particles strike target atoms precisely, the atom is converted into a new element. SYMBOL Bk ATOMIC NUMBER 97 ATOMIC MASS 247.0703 FAMILY Actinide Transuranium element PRONUNCIATION BER-klee-um The UCB researchers fired alpha particles— helium atoms without their electrons...
chemical element [ˈkemikəl ˈelimənt] 以下由轻松背单词网站提供 词组级别 附加级 基本释义 化学元素 参考例句 Hydrogen: Lightest chemical element, chemical symbol H, atomic number 1. 氢:一种轻的化学元素,化学符号H,原子序数1。 Nitrogen: Gaseous chemical element, chemical symbol N, atomic...
Selenium chemical element symbol from the periodic table displayed on black cube 3D render,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛
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...