Atomic Model - 题库网 (tiku.one)

1#

94.09: An atomic mass unit is approximately equal to the maswsitj3w i18h/ s 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 scat*xodz e)-op: -nlpz*c ;lczw8tering experiment, he found that most alpha particles would pass through the foil undeflected. Which of the following nuclear properties can be inferred from this ob onl:d zl-p-p8 ;e)z*cxz*wocservation?

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 diameter :dbcl sa1xd+ff7j 07u) si hx4aozy:4of 1.00 cm. For the top layer of atoms in the nail’s head, wbsi: x4:4oszul +70fajy f1hd )c7dx ahich 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 hydroge o y:rgm83l e7y9egvn1n atoms are there in the liquid water of Earth’s ocegy93mv8el 1rg:7 yo neans?

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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 a protonqq5l4 hdqtr7rfgp 07ir*iqx9mp. *, d 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 e83fl 9buv nso ggpkt. 13:ht1following quarks was the last to be confirmed experimentalsfb pk3uv1gh. 9ett18nog :3lly?

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