Question by : alpha decay, beta decay or fusion?
thorium-234 to proactinium-234 +-1^0e (2) hydrogen+hydrogen to Helium (3) uranium-238 to thorium-234 +helium-4
Best answer:
Answer by Kristie
First:
beta decay – a beta particle is defined as an electron being emitted (think of it as a neutron in the nucleus of an atom breaks down into a proton and an electron; then the electron is released from the nucleus)
(2) Fusion – two lighter elements coming together to form a heavier atom
(3) alpha decay- alpha particle is a helium nucleus emitted from the nucleus of a heavy atom to form a lighter atom
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One Response
Atomic number is # protons. Atomic weight is sum of protons + electrons. So the first reaction is beta decay (same weight, change atomic number). The second is fusion. The third is alpha decay, alpha particle weighs 4 and has charge +2.