Nuclear Reactions
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Nuclear Reactions 2
Último contenido Nuclear Reactions
Knowledge Questions (Do these BEFORE using the Gizmo.) 
The chart below gives the isotope name, element name, number of protons, and number of neutrons of three isotopes. 
Isotope	Protons	Neutrons 
Hydrogen-1	1	0 
Carbon-12	6	6 
Uranium-235	92	143 
 
1.	What do you notice about the isotope number and the sum of protons and neutrons? 
 
2.	The element symbol for uranium-238 is 238 U. This means U-238 has a total mass of 238 and 
contains 92 protons. Write the element symbols for the isotopes in t...
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Nuclear Reactions•Nuclear Reactions