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AQA - A Level Physics - Particles and radiation #1

Recap and retrieval - Particle and radiation #1
Quiz by Nighthawk
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Last updated: July 8, 2020
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First submittedJuly 8, 2020
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Hint
Answer
Define Atomic (proton) number (Z)
Number of protons in the atom/nucleus
Define mass number (A)
The total number of nucleons (protons + neutrons) in the atom
So what does A number minus Z number tell you?
Number of neutrons in the atom/nucleus
Describe the structure of an alpha particle
2 protons and 2 neutrons OR a helium nucleus
What is the antiparticle of the electron
Positron
What is the antiparticle of the neutron
Antineutron
Changing the atomic number (Z)changes what about the atom?
Changes the element
What is the charge of a beta minus particle in coulombs
-1.6x10⁻¹⁹C
Hint
Answer
What is the charge of a hydrogen +1 ion in coulombs
+1.6x10⁻¹⁹C
What is the charge of an Alpha particle in coulombs
+3.2x10⁻¹⁹C
What is a gamma ray?
A high energy photon emitted by the nucleus
How does a particle compare to its corresponding antiparticle?
Same mass, opposite charge.
Define an isotope
An atom of an element with the same number of protons but a different number of neutrons.
What is the maximum range of the Strong Nuclear Force
3 femtometres / 3x10⁻¹⁵m
What is the type of nuclear radiation with the greatest rest mass
Alpha particle
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