Decay Types
The alpha particle
What is the particle emitted in alpha decay?
Weightless packets of energy called photons
What are gamma rays emitted during nuclear decay?
α
What is the symbol for an alpha particle?
4
He2+
2
What is an alpha particle?
Who coined the term "radioactivity"
A neutron changes into a proton
What is beta-minus decay?
Also known as a "helium nucleus"
What is an alpha particle?
e-
What is the symbol for an electron?
0
e
+1
What is a positron?
What century was the radioactive phenomenon first observed in?
19th century
Emits a photon
What is gamma decay?
This particle has no electrical charge and negligible mass
What are neutrinos?
β+
What is the symbol for an anti-electron (or positron)?
0
e
-1
What is an electron?
What is the superhero from "The Simpsons" named?
Radioactive Man
This turns a neutron into a proton but the other turns a proton into a neutron
What are beta-minus and beta-plus decay?
This becomes unstable when it has extra protons or extra neutrons
What are atoms?
e+
What is the symbol for an anti-electron (or positron)?
He2+
What is an alpha particle?
What year did "Radioactive" by Imagine Dragons come out?
2013
The nucleus's composition is unchanged from this type of decay
What is gamma decay?
This is synonymous with anti-electrons
What are Positrons?
v
What is the symbol for a neutrino?
γ-ray photon
What is emitted during gamma decay?
How long is Oppenheimer (in minutes)?