Atomic Model - 题库网 (tiku.one)

1#

94.09: An atomic mass unit is approximately equal to the mass of a(n)*3yq q 3.ftjg p 8un1.vewdqx2:

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

02.10: In Rutherford's famous gold foil scattering experiment, he found tgsq; ovpt.y;p3v -46zfdhg8 what most alpha particles would pass through the foil undeflected. Which of the hq;dgy go-3w.vtpfp4s zv6 ;8 following nuclear properties can be inferred from this observation?

A. The nucleus must have a positive charge

B. Most of the mass of an atom is in the nucleus

C. The nucleus contains both protons and neutrons

D. The diameter of the nucleus is small compared to the diameter of the atom

E. None of the above

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

12.37: The cylindrical head of an aluminum nail has a diametod/ kxx;4; rezer of 1.00 cm. For the top layer of atoms in the nail’s head, which one of the following choices best represents the number of ez oxk;/r4dx;aluminum atoms in that layer?

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.31: Approximately how mdhzbj,lw mf 5v d/c+57hnj*e3 any hydrogen atoms are there in the liquid water of Eart w3m+hhv7jejcnd /l5z5f*d ,b h’s oceans?

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

06.47: The sub-atomic make-4.ce5l w/ 9arm fjtu4lup of a proton is

A. 2 up quarks and a down quark

B. 2 down quarks and an up quark

C. 1 up quark, 1 down quark, and 1 top quark

D. 1 up quark, 1 strange quark, and 1 bottom quark

E. 2 strange quarks and 1 charmed quark

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

13.46: Which one of the fol;)mxe hn8 tdn7lowing quarks was the last to be confirmed experimentally?xe7 mtn8;)hd n

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