SAT2化学题One reason why certain isotopes have an unstable nucleus is because the number of A质子比中子多B电子比质子多C中子比电子多D质子比电子多E中子比质子多答案是英文的,
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SAT2化学题One reason why certain isotopes have an unstable nucleus is because the number of A质子比中子多B电子比质子多C中子比电子多D质子比电子多E中子比质子多答案是英文的,
SAT2化学题
One reason why certain isotopes have an unstable nucleus is because the number of
A质子比中子多
B电子比质子多
C中子比电子多
D质子比电子多
E中子比质子多
答案是英文的,
SAT2化学题One reason why certain isotopes have an unstable nucleus is because the number of A质子比中子多B电子比质子多C中子比电子多D质子比电子多E中子比质子多答案是英文的,
应该是e中子比质子多吧,中子更易衰变成质子和电子些.首先原子核与电子无关,bcd排除,再自己举一下例子,氢的核素氕比氘和氚要稳定些,碳12比碳14稳定些,重核中中子往往比质子多且重核通常不稳定,所以中子比质子多导致原子核不稳定.
SAT2化学题One reason why certain isotopes have an unstable nucleus is because the number of A质子比中子多B电子比质子多C中子比电子多D质子比电子多E中子比质子多答案是英文的,
SAT2化学题,E项为什么不对?
One reason for this.
SAT2
Sat2
For one reason or another.
一道sat2化学题,which molecule is a polar molecule?水,甲烷,二氧化碳
用one of the main reason造句
Give Me One Good Reason 歌词
give me one reason空间背景音乐
for one reason to another翻译
for one reason or another是什么意思
One Less Reason的《Seasons》 歌词
求One less reason正版专集
SAT2化学题,和缓冲溶液有关的.1.What happens to the pH of a buffer system if one halves the concentration of both the acid and the salt如果将酸和盐的浓度都减到一半,缓冲溶液的pH会有什么变化答案是不变,可是为什
英语翻译Just for one reason,I love you so much.Nothing is impossible to a willing mind,love included.Therefore,day after day,I wonder why,I wonder how,I wonder where you are.Time to go,I want to tell you how much I feel,and how much I love you.Wh
请帮我翻译成中文,The minute you think of giving up,think of the reason wh
这句用reason for还是reason why?The reason for my dissatisfaction is that the book is a pirated one.