下列粒子示意图中，是金属粒子的是_刷题宝

题干

下列粒子示意图中，是金属粒子的是（）

A：

B：

C：

D：

上一题下一题 0.0难度选择题更新时间:2018-02-15 11:01:46

答案(点此获取答案解析）

D

同类题1

天气预报称，明天长沙市全市的降水率为90%，下列理解正确的是（）

同类题2

当你告诉别人这些是你家人的照片时，应说：________（）

同类题3

下列属于我国公有制经济的是（）
①国有经济 ②集体经济 ③混合所有制经济 ④个体经济 ⑤私营经济

同类题4

下列说法不正确的是（）

①某种元素的相对原子质量取整数，就是其质量数

②同位素的性质完全相同

③质子数相同，电子数也相同的两种粒子，不可能是一种分子和一种离子

④电子数相同的粒子不一定是同一种元素

⑤一种元素只能有一种质量数

⑥质子数相同的粒子一定是同种元素．

同类题5

Hans Bethe
The late German-American physicist Hans Bethe once described himself as “the H-bomb’s midwife（接生婆）”. He left Nazi Germany in 1933, after which he helped develop the first atomic bomb（原子弹）, won the Nobel Prize in Physics in 1967 for his contribution to the theory of nuclear reactions（核反应）and advised controls over nuclear weapons（武器）for the peaceful use of the nuclear energy

Francis Crick
The late Francis Crick, one of Britain’s most famous scientists, won the Nobel Prize in Physiology（生理学）or Medicine in 1962. He is best known for his discovery with James Watson and Maurice Wilkins, the double helix structure（双螺旋结构）of the DNA, though he also made important contributions in other fields. He died in 2004.

Peter Hall
Sir Peter Hall’s life in the theatre has seen him running the Arts Theatre, founding the Royal Shakespeare Company when he was only 29, and directing the National Theatre. He also directed Akenfielf for London Weekend Television and runs the Peter Hall Company, which has 40 productions worldwide to its name.

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