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Paper 1
Topic 4 - Atomic Structure
Nuclear Equations
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Sonny Goodvin
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Cards (6)
Alpha particle
4
2
H
e
\frac{4}{2}He
2
4
He
Beta Particle
0
−
1
e
\frac{0}{-1}e
−
1
0
e
Alpha Decay
A
Z
X
→
A
−
4
Z
−
2
Y
+
\frac{A}{Z}X\rightarrow\frac{A-4}{Z-2}Y+
Z
A
X
→
Z
−
2
A
−
4
Y
+
4
2
H
e
\frac{4}{2}He
2
4
He
Beta Decay
so beta decay does not cause the mass of the
nucleus
to change but does cause the charge of the nucleus to increase
Gamma Decay
Does not cause the
mass
or charge to change
Alpha Decay
Alpha decay causes both the mass and charge of the
nucleus
to decrease