Atomic Model - 题库网 (tiku.one)

1#

94.09: An atomic mass unit is approximately equal to the mass a cr1dc( vy0o,2fnw1u 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 experiment, 5ccys.xrdogii6 ) 5xt35y /hohe found that most alpha particles would pass throux6yc i 5/yx5tdo 3 .sroi)gc5hgh 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 0nm+ +e lh2dmvaluminum nail has a diameter of 1.00 cm. For the top layer of atoms in the nail’s head, which one of the following choices best represents the nme lnvd +0m2h+umber 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 atoms are there in the p3:tv g7gb1tpd/ --dut3wab nliquid water of Earth’s oceans- 1 p3db/-tdbwgn7tup t:av3g?

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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-gyrc3 hnfeq7 6 (yqs99up 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 qua0wcap h s 1m6.dp 5(mboq)/mkcrks was the last to be confirmed experimentaw/ pa b )6smc0qd.chmp k1o(m5lly?

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