英语化学题,what is the maximum number of electrons ineach of the first four energy levels?

英语化学题,what is the maximum number of electrons ineach of the first four energy levels? 英语情景交际问题A：Great!what's his name?B：Ma Xing.A：Oh!He is my classmate.we're in the same class.B：Let’s______. 关于间接引语的英语选择题Mother asked the youngest son ( ) with his toy car.A.what was the matterB.what the matter wasC.what the matter isD.what is the matter答案写的是A我就是搞不明白为什么是A答案上写当“What's the ma what is 力子论?what is 力子论?who can tell ma? 英语阅读理解练习题Today almost everyone knows computers and the internet.If I ask you what is the most important.If I ask you what is the most important in your life?maybe you will say Computers and the internet.The first computer was ma 几道英语化学题!1.how are the atomic numbers and the atomic masses of the elements related to how the elements are arranged on the periodic table?2.how does the number of electrons relate to the arrangement what is the different in the number o 英语单项选择 最好有解析.1.Don't have your children ( ) foe hours reading books in ( ) dark a room.A.sitting ; so B.sit ; such C.to be sitting ; so D.to sit ; such2.I want to know ( ).A.what the matter is B.what matter it is C.what's the ma What is the end the world?用英语回答. 求英语作文改错As is vividly betrayed in the chart above,the number of MS/MA candidates in the year of 2003 was 750 thousand,then the number reached 950 thousand in 2004,and rocketed to 1.3 million in 2005.People may wonder what is behind the f 英语句子改写（rewrite the sentences）2.my cousin is the same age as ma .my cousin is ___ ___ ___ me.3.please tell us what we should do next time.please tell us ___ ___ ___ next time.4.jim didn't pass the math exam last week.jim ___ the math e what color is the map?英语翻译成汉语 英语脑筋急转弯what is in the middle of water 雅思口语.What the traditional festival is? 用英语回答 用英语解释句子What is the date? 英语IQ题：What is the missing number?如图所示, 英语脑筋急转弯what is in the middle of water 求一篇What is the happiness的英语作文 [英语]what is the English ( ) thisA.for B.of