大學職業(yè)搜題刷題APP
下載APP
首頁
課程
題庫模板
題庫創(chuàng)建教程
Word題庫模板
Excel題庫模板
PDF題庫模板
醫(yī)考護考模板
答案在末尾模板
答案分章節(jié)末尾模板
創(chuàng)建題庫
登錄
創(chuàng)建自己的小題庫
搜索
【多選題】
科學家最近制造出第112號新元素，其原子的質(zhì)量數(shù)為277，這是迄今已知元素中最重的原子。關(guān)于該新元素的下列敘述正確的是
A.
其原子核內(nèi)中子數(shù)和質(zhì)子數(shù)都是112；
B.
其原子核內(nèi)中子數(shù)為165，核外電子數(shù)112；
C.
其原子質(zhì)量是12C原子質(zhì)量的277倍
D.
其原子質(zhì)量與12C原子質(zhì)量之比為277:12
手機使用
分享
復制鏈接
新浪微博
分享QQ
微信掃一掃微信內(nèi)點擊右上角“…”即可分享
反饋
收藏
舉報參考答案：
舉一反三
【單選題】What kind of book does the girl want to read?
A.
A book about animals.
B.
A book on dolls.
C.
A book about candy and cookies.
【單選題】How many students mentioned in paragraph were shot dead in 1997 in US schools?
A.
Nine.
B.
Ten.
C.
Twelve.
D.
Twenty-two.
【單選題】What are the speakers probably doing?
A.
Listening to a speech.
B.
Singing.
C.
Memorizing words.
相關(guān)題目：
【單選題】What kind of book does the girl want to read?
A.
A book about animals.
B.
A book on dolls.
C.
A book about candy and cookies.
【單選題】How many students mentioned in paragraph were shot dead in 1997 in US schools?
A.
Nine.
B.
Ten.
C.
Twelve.
D.
Twenty-two.
【單選題】What are the speakers probably doing?
A.
Listening to a speech.
B.
Singing.
C.
Memorizing words.
參考解析：
AI解析
重新生成
題目糾錯 0
發(fā)布
