百度试题 结果1 题目Which element is a metalloid? A. Boron B. Gold C. Lithium D. Oxygen 相关知识点: 试题来源: 解析 A。硼是类金属元素。选项 B 金是金属元素,选项 C 锂是金属元素,选项 D 氧气是非金属元素。反馈 收藏
Which of the following elements is a nonmetal? a. K b. Be c. Ce d. N What type of element is argon? In other words, what is it classified as on the periodic table? Write the symbol for each element and classify it as a metal, non metal, or metalloid? a. Gold b. Fluorine c...
) Metalloidal; nonmetallic; -- contracted with positive or basic; as, the nitro group is negative. Negative (n.) A proposition by which something is denied or forbidden; a conception or term formed by prefixing the negative particle to one which is positive; an opposite or contradictory ...
Is bromine a metal, nonmetal or metalloid? Is iron a metal, nonmetal or metalloid? Are anions metals or nonmetals? Is platinum a metal, nonmetal or metalloid? Is scandium a metal, nonmetal or metalloid? Is sulfur a metal or nonmetal? Is barium chloride an amorphous solid? Is gold a meta...
Johnson's 2007 definition appears to be in agreement with these observations but for astatine, which he shows as a semi-metal or metalloid. However the prediction of astatine as a metal was made in 2013, so there is no real contradiction here. In summary, as earlier Users noted,...
Is iron a metal, nonmetal or metalloid? Are the chemical element iron and the vitamin iron the same? What is the classification of sodium chloride? What is the orbital diagram for iron? What are the physical properties of iron filings?
This periodic chart categorizes elements as metal, non-metal, and metalloid. The metals are all grouped together on the periodic table’s left side. In the upper left corner, notice how hydrogen, is grouped with the metals. Despite being called as a metal, hydrogen is classified a ...
Some metals as chromium (Cr), nickel (Ni), cadmium (Cd), cobalt (Co) and lead (Pb) and a very toxic metalloid arsenic (As) represent potential carcinogenic elements that are commonly found in drinking water (Fakhri et al., 2018). The persistence, bioaccumulation and high toxicity of ...
Which is not a metalloid answer? . And thegalliumis not an example of metalloid and it is a post – transition metal. The gallium is occupied between the metalloids and the transition metal of the periodic table and it has some of the characters of transition metals. ...
Tellurium is a metalloid chemical element which is used in a variety of industries, primarily in the form of an additive to an assortment of compounds and alloys. It is relatively rare on the Earth's surface, and it is usually found in combination with other materials, such as gold. Tellur...