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Earn +20 ptsQ: What does the 4 in 4He represent?
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What is the nuclear reaction for alpha decay of Radium-226?
Since an alpha particle is a helium-4 nucleus, the resulting atom has an atomic mass that is 4 less, so 226 minus 4. Also, to get the element, look up the element number for radium, and subtract two from that.
What is the nuclear symbol for Helium-4?
The nuclear symbol for Helium-4 is 4He, where the number 4 represents the total number of protons and neutrons in the nucleus of the atom.
What is the isotopic notation for helium-4?
The isotopic notation for helium-4 is ^4He. This notation denotes the element's atomic number and mass number, which for helium-4 are 2 (atomic number) and 4 (mass number) respectively.
When curium-242 is bombarded with alpha particles a neutron and what are formed?
The nuclear reaction is: 242Cm + 4He = 245Cf + n
When curium-242 is bombarded with alpha particles a neutron and are formed?
The nuclear reaction is: 242Cm + 4He = 245Cf + n
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