GENERAL KNOWLEDGE

GK

NUCLEAR SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Specific gravity of uranium and plutonium is about
A
9
B
13
C
19
D
27
Explanation: 

Detailed explanation-1: -The answer is simple: it is produced by the nuclear reaction from the uranium used as fuel. In this reaction, uranium-238 captures a neutron and transforms into uranium-239. In turn, the uranium-239 converts to neptunium-239 by losing an electron. Then, in the same way, the neptunium-239 transforms into plutonium-239.

Detailed explanation-2: -On the Periodic Table plutonium is two spots above uranium – uranium has an atomic number of 92 (that is, it has 92 protons) and plutonium is at 94. To make plutonium we somehow have to add two protons to a uranium atom.

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