皮皮学，免费搜题
登录
搜题
【简答题】
W、M、N、X、Y、Z是五种常见的短周期元素，其原子半径随原子序数变化如右图所示。已知W的一种核素的质量数为18，中子数为10；M和Ne原子的核外电子数相差1；N与X相邻；X的单质是一种常见的半导体材料；Y的最外层电子数是其最内层电子数的3倍；Z的非金属性在同周期主族元素中最大。 （1）元素X在周期表中的位置是_______________；元素Y的离子结构示意图为____________ （2）下列有关物质性质的比较中．正确的是________________ A．M、X、Z形成的单质熔沸点 M＞X＞Z B．氢化物的热稳定性：W＞X C．X分别与W和Z形成的化合物中化学键类型，晶体类型均相同 D．Z元素含氧酸的酸性一定强于Y元素的含氧酸 （3）元素W与M按原子个数比1:1形成的化合物A的电子式为______________。 （4）X、Z与氢三种元素按1:2:2形成的五原子化合物属于_______分子（填 “极性” “非极性”） （5）与Z同族的元素都能形成氢化物，其中水溶性最强的是______（填化学式） （6）含有N元素的两种常见离子能发生双水解反应，试写出该离子方程式 ________________。
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】听力原文：W：We'll have to hurry if we're going to be on time to get to the railway station．It's already seven thirty． M：Well，it takes only half an hour to get to the railway station，and the train doesn't l...
A.
Three quarters of an hour.
B.
A quarter of an hour.
C.
Ten minutes.
D.
Half an hour.
查看完整题目与答案
【单选题】Hurry up! If we miss ______ last bus, we’ll have to get home by______ taxi.
A.
a;/
B.
the; a
C.
the;/
D.
a; a
查看完整题目与答案
【单选题】实验中可以从( )获取频率特性
A.
稳定的线性和非线性系统
B.
不稳定的线性和非线性系统
C.
不稳定的线性系统
D.
稳定的线性系统
查看完整题目与答案
【简答题】—We have to stop talking here outside.Listen, _______! —Hurry up, or well be late. A．there goes the bell B．there does the bell go C．there the bell goes D．goes the bell there
查看完整题目与答案
【简答题】元杂剧兴盛的表现及其原因。
查看完整题目与答案
【单选题】听力原文：M: We'll have to hurry if we're going to be on time to the airport. It's already 8: 30. W: Well, it takes only half an hour to get to the airport, and the plane doesn't leave until 9:15. I think ...
A.
Three-quarters of an hour.
B.
Half an hour.
C.
A quarter of an hour.
D.
Ten minutes.
查看完整题目与答案
【单选题】— We have to stop talking here outside. Listen, ________! — Hurry up, or we’ll be late.
A.
there the bell goes
B.
there does the bell go
C.
there goes the bell
D.
goes the bell there
查看完整题目与答案
【单选题】若一直线的H、V面投影分别垂直于各自投影轴且平行于共有投影轴,则该直线为( )
A.
铅垂线
B.
正垂线
C.
侧垂线
D.
水平线
查看完整题目与答案
【单选题】—We have to stop talking here outside. Listen, _____! —Hurry up, or we’ll be late.
A.
there goes the bell
B.
there does the bell go
C.
there the bell goes
D.
goes the bell there
查看完整题目与答案
【单选题】听力原文：M: Hurry. It is coming! W: We must take this one, otherwise we'll have to wait for another ten minutes. Q: What are they trying to do? (15)
A.
Waiting for their fight.
B.
Waiting for a bus.
C.
Taking a taxi.
D.
Winning a game.
查看完整题目与答案
相关题目：
【单选题】听力原文：W：We'll have to hurry if we're going to be on time to get to the railway station．It's already seven thirty． M：Well，it takes only half an hour to get to the railway station，and the train doesn't l...
A.
Three quarters of an hour.
B.
A quarter of an hour.
C.
Ten minutes.
D.
Half an hour.
查看完整题目与答案
【单选题】Hurry up! If we miss ______ last bus, we’ll have to get home by______ taxi.
A.
a;/
B.
the; a
C.
the;/
D.
a; a
查看完整题目与答案
【单选题】实验中可以从( )获取频率特性
A.
稳定的线性和非线性系统
B.
不稳定的线性和非线性系统
C.
不稳定的线性系统
D.
稳定的线性系统
查看完整题目与答案
【简答题】—We have to stop talking here outside.Listen, _______! —Hurry up, or well be late. A．there goes the bell B．there does the bell go C．there the bell goes D．goes the bell there
查看完整题目与答案
【简答题】元杂剧兴盛的表现及其原因。
查看完整题目与答案
【单选题】听力原文：M: We'll have to hurry if we're going to be on time to the airport. It's already 8: 30. W: Well, it takes only half an hour to get to the airport, and the plane doesn't leave until 9:15. I think ...
A.
Three-quarters of an hour.
B.
Half an hour.
C.
A quarter of an hour.
D.
Ten minutes.
查看完整题目与答案
【单选题】— We have to stop talking here outside. Listen, ________! — Hurry up, or we’ll be late.
A.
there the bell goes
B.
there does the bell go
C.
there goes the bell
D.
goes the bell there
查看完整题目与答案
【单选题】若一直线的H、V面投影分别垂直于各自投影轴且平行于共有投影轴,则该直线为( )
A.
铅垂线
B.
正垂线
C.
侧垂线
D.
水平线
查看完整题目与答案
【单选题】—We have to stop talking here outside. Listen, _____! —Hurry up, or we’ll be late.
A.
there goes the bell
B.
there does the bell go
C.
there the bell goes
D.
goes the bell there
查看完整题目与答案
【单选题】听力原文：M: Hurry. It is coming! W: We must take this one, otherwise we'll have to wait for another ten minutes. Q: What are they trying to do? (15)
A.
Waiting for their fight.
B.
Waiting for a bus.
C.
Taking a taxi.
D.
Winning a game.
查看完整题目与答案