皮皮学,免费搜题
登录
搜题
【单选题】
有W、X、Y、Z四种短期,它们的原子序数依次增大,W在短期中原子半径最小,Z在同期中离子半径最小,X、Y两同期,Y最外层电子数是其内层电子总数的3倍,X的核电荷数是Y和Z核电荷数之和的1/3。则下列有关叙述中正确的
A.
X、Y元素分别与W形成的最简单化合物中,Y的化合物沸点低
B.
W、X、Y形成的化合物一定是酸
C.
Y和Z两形成的化合物可用于制坩埚,但不能熔融NaOH固体
D.
W、Y、Z形成的某种化合物可作消毒剂
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】The three points of view that indicate the relations of individuals are ______.
A.
relations characterized by natural development relations that are culturally determined socially accepted behavior. among the group
B.
relations to natural and unnatural world relations among people conditioned relations
C.
relations to organic and inorganic outer world relations among human behavior objectively conditioned relations
D.
relations to living environment relations among members of the same social group subjectively conditioned relations
【简答题】一台三相异步电动机Y贴有 132 M-4字样的铭牌数据,其中Y表示
【简答题】一台三相异步电动机Y贴有 132 M-4字样的铭牌数据,其中Y表示 ,磁极对数为p=
【单选题】弥漫性硬化性肾小球肾炎的肾小球变化主要是:
A.
肾小球纤维化、玻璃样变性
B.
肾小球周围纤维化,肾小球囊壁增厚
C.
入球小动脉玻璃样变性,肾小球萎缩
D.
肾小球毛细血管内皮增生,肾小球缺血
E.
肾小球球囊脏层上皮细胞明显增生
【简答题】一台三相异步电动机Y贴有 132 M-4字样的铭牌数据,则磁极对数为p=
【单选题】弥漫性硬化性肾小球肾炎的肾小球变化主要是
A.
肾小球纤维化,玻璃样变性
B.
肾小球周围纤维化,玻璃样变性
C.
肾小球毛细血管内皮细胞增生
D.
肾小球系膜细胞增生
【简答题】完形填空 Manners(礼貌)are important to happy relations(关系)among people. No one 1 a person with bad manners. A 2 with good manners never laughs at people when they are in trouble. Instead, he 3 to help them....
【简答题】一台三相异步电动机Y贴有132M-4字样的铭牌数据,其中Y表示 ,磁极对数为P=
【单选题】Manners are important to happy relations among people. Everyone likes a person with good manners. No one likes a person with bad manners. But what are good manners? How does one know what to do and wh...
A.
he will do what he is asked to do
B.
he knows what to do and what not to do on different occasions
C.
he is always saying good words to others
D.
he can make others know what good manners are
【单选题】The three points of view that indicate the relations of individuals are ______.
A.
relations characterised by natural development; relations that are culturally determined; socially accepted behaviour among the group
B.
relations to natural and unnatural world; relations among people; conditioned relations
C.
relations to organic and inorganic outer world; relations among human behavior; objectively conditioned relations
D.
relations to living environment; relations among members of the same social group; subjectively conditioned relations
相关题目: