【单选题】【消耗次数:1】
由瞬时偶极之间的作用力,叫做( )。
诱导力
取向力
正负电荷引力
色散力
参考答案:
复制
纠错
相关题目
【判断题】 由诱导偶极产生的分子间力属于离子键。
①  正确
②  错误
【单选题】 如果分子中正负电荷的重心是重合的,则这种分子称为( )。
①  离子
②  极性分子
③  金属分子
④  非极性分子
【判断题】 色散力仅存在于非极性分子之间
①  正确
②  错误
【单选题】 法律在社会生活中的作用力、影响力和公信力指的是()
①  法律的强制性
②  法律权威
③  法律的全民性
④  法律公正
【判断题】 两个物体间的作用力与反作用力因等值、反向、共线,所以这两个力是相互平衡的。
①  正确
②  错误
【单选题】 分子中存在着带正电荷的原子核和带负电荷的电子,整个分子呈现( ) 。
①  电性不一定
②  不带电
③  正电荷
④  负电荷
【单选题】 单位切削力是指切削单位切削面积时所产生的作用力,用( )表示。
①  Ad
②  Fc
③  AB都不挣钱
【多选题】 关于作用力与反作用力下列说法正确的是( )
①  作用力与反作用力作用在同一物体上
②  作用力与作用力方向相反
③  作用力与反作用力大小相等
④  作用力与反作用力沿同一直线分别作用在两个物体上
⑤  作用力与作用力方向可以根据计算确定
【判断题】 物体之间的作用力与反作用力总是成对出现,成对消失。 ()
①  正确
②  错误
【判断题】 我国北方土壤胶体在通常状态下带有负电荷。
①  正确
②  错误
随机题目
【单选题】 Ill go out for a walk after supper if it____ rain.
①  didnt
②  wont
③  isnt
④  doesnt
【单选题】 Jean Wagner’s most enduring contribution to the study of Afro-American poetry is his insistence that it ____ in a religious, as well as worldly, frame of reference.
①  is to be analysed
②  has been analysed
③  be analysed
④  should have been analysed
【单选题】 We feel it is high time that the Government ____ something to check the inflation.
①  did
②  do
③  should do
④  would do
【单选题】 She was teaching me ____ you would teach a younger child to speak the language.
①  the way
②  in the way
③  a way
④  to the way
【单选题】 You should have put the milk into the icebox, I expect it ____ undrinkable.
①  became
②  had become
③  has become
④  becomes
【单选题】 The students expected there ____ more reviewing classes before the final exams.
①  is
②  being
③  have been
④  to be
【单选题】 You should have your eyes tested every year in case the ____of your spectacles need changing.
①  lenses
②  glasses
③  sights
④  crystals
【单选题】 As the train will not leave until one hour later, we ____ grab a bite at the snack bar.
①  may well
②  just as well
③  might as well
④  as well
【单选题】 ____ money, she is quite rich. However, this does not mean that she is happy.
①  Concerning
②  As to
③  In terms of
④  In the light of
【单选题】 She always put her medication on the top of the shelf lest the children ____ it by mistake.
①  took
②  should take
③  had taken
④  would take