Atomic Model - 题库网 (tiku.one)

1#

94.09: An atomic massdnhdwmv l/( c6h1 -50ukg;fcd unit 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 scatteri1tc2mtm,xzs ik9vp)m,(1 e0 +e uy f)wnscwg6ng experiment, he found that most alpha particles would pass through the foil undeflected. Which of the fo +y z, 6e1stum0cgm1 w(mk) cit2xpwns,9fve)llowing 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 dit l8 h7ncvz.n;ameter 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 aluminum atoms il; .8zhtv7 ncnn 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 atoms are there in the liquid wat 1 +lp,awsh2sop 8f -rzc+1hnder of Ear,dws z2ahn1 lo+ 1+rh8p pfs-cth’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-atomicg.3p)o fo)t *,dtbagr make-up 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 following quarks was the last to be confirm xfmx9i(z7 u9ved experimentalxfx9 (7miu z9vly?

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