Selenium (atomic no. 34) is a member of Group VI, also known as the S family, in the periodic table. It has specific gravities of 4.79 g/cm 3 for the metallic (gray) form, or 4.28 g/cm 3 for the vitreous (black) form. It has an atomic weight of 78.96, melting point of (...
Selenium is a chemical element and has the chemical symbol Se. It has anatomic number34. Selenium is a nonmetal and more rarely a metalloid. The properties of selenium intermediate between the elements above and below selenium in the periodic table i.e., sulfur and tellurium. Selenium has simi...
Selenium is a chemical element; it has symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.[7] It se...
Elements in the same group in the periodic table (a) have similar chemical properties. (b) are called isotopes. (c) have consecutive atomic numbers. (d) make up a period of elements. Refer to the periodic table and give the period and group number for...
Selenium material on the periodic table. Part of a series.,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、盛世长城、百度、360、招商银行、工商
百度试题 结果1 题目25 Selenium, Se, is in the same group of the Periodic Table as sulfur, S What is the formula of sodium selenide? A ANa2Se BNaSeO C Na2SeO D Na SeO: 相关知识点: 试题来源: 解析 A 反馈 收藏
The charge and toxicity of Selenium Feb 5, 2024 Selenium is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. Source, application and pharmaco...
Selenium is an element on the periodic table. In trace amounts this mineral is an essential component for a healthy, balanced diet. It is found in the cells of the liver, kidneys, spleen, pancreas and testes, and plays an important role in the normal function of many of the organs and...
Element Selenium of the Periodic Table ID:298532354 收藏 加入清单 下载 版权imakarov TIFF大小 93.7MB 格式JPG 编辑图片 以图搜图 大图:5736×5712像素·48.56cm ×48.36cm·300dpi·JPG 中图:1000×996像素·35.28cm ×35.14cm·72dpi·JPG 小图:500×498像素·17.64cm ×17.57cm·72dpi·JPG...
An example of the element Selenium Sample Image|Spin Video|QuickTimeVR Rotation Lumps. These are smooth lumps that look like they've been melted. Source:Tryggvi Emilsson and Timothy Brumleve Contributor:Tryggvi Emilsson and Timothy Brumleve