Atomic Model - 题库网 (tiku.one)

1#

94.09: An atomic mass unit p yi*4;is*pvd is approximately equal to the mass of a(n):

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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 experiment5b j39mua(tsj 4i o rht4:l2ud, he found that most a4ibjj3s dum 4l:hu otr5 29at(lpha particles would pass through the foil undeflected. Which of the 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 da. rz(y.ka-qh ur,u n.1ft,uziameter of 1.00 cm. For the top layf. qr r..z-u ,un1h(at kzua,yer of atoms in the nail’s head, which one of the following choices best represents the number of 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 many hydrogen asp,zd l okx(vq6kngk2he*,6 0toms are there in the liquid water of Earth’s xlo6ek ,6qd*v0nkk 2gz( p,hs 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-up of ab9p9q+o r lhy+ 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 following quarks was the lax0jm 71l 49 n6yj,gaipg)kma dst to be confirmed experimentally?9agg4 j7mp1y6 a)ikd0l xjnm,

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