3) which is the smallest particle listed below?A) one atom B) a quark C) a ghost D) a proton E) a molecule
9) i m sorry of the following isotopes is radioactive?A) carbon—14 B) carbon—12C) Both room radioactive. D) Neither space radioactive in nature.

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carbon-14, stability of a cell core is dictated by the neutron/proton ratio. Too large or too small and the cell nucleus is unstable. The higher neutron/proton ratio in carbon-14 is too large, making the cell core sufficiently rough that it emits a beta particle, convert to nitrogen-14.
10) electrical forces in ~ an atomic nucleus often tend toA) hold it together. B) press it apart.C) neither of these.
11) If 2 protons are added to one oxygen nucleus, the result isA) heavy oxygen.B) neon.C) fluorine.D) nitrogen.E) sodium.
15) i m sorry radiation has no electrical charge associated with it?A) gamma rays B) beta beam C) alpha rays D) all of these E) nobody of these
18) To adjust mercury right into gold, a pair that protons should beA) added to the mercury nucleus. B) removed from the mercury nucleus.C) both of these. D) neither of these.
21) compared to the mass of a uranium nucleus before splitting, the piece it splits right into haveA) the same mass. B) less mass. C) much more mass.
27) In one electrically neutral atom, the number of protons in the cell core is balanced by an same number of
28) The half—life of carbon 14 is 5730 years. If a 1—g sample that old carbon is 1/8 as radioactive as 1 g of a current sample, climate the age of the old sample is about
33) A gram of radiation material has a half—life of one year. After 4 years, how much radioactive material will be left?
36) In atom fission and also nuclear combination reactions, the lot of mass converted to energy is about
41) The half-life on an isotope is one day. At the end of 3 days, exactly how much that the isotope remains?
-moderator slows under the speedof the neutrons-control rods protect against the chain reaction keep going too easily by taking in nuetrons
-a collection of reactions that are prompted by an initial reaction.-A nuclear reaction, in general, occurs when two isotopic nuclei collide, producing molecules different from the reactants, usually various species.-fission and fussion
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last Exam examine Guide

PHYS 102 (WVU)


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RC Circuits

PHYS 102 (WVU)


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electrical Field

PHYS 102 (WVU)


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Calculating Coulomb's Force

PHYS 102 (WVU)


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chapter 16 Introduction

PHYS 102 (WVU)


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