Nuclear equations (Edexcel GCSE Physics): Flashcards
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15 cards from this deck
What does mass number represent?
What does mass number represent?
Total protons + neutrons in nucleus
What does atomic number represent?
What does atomic number represent?
Number of protons in nucleus
Conservation rule in nuclear equations
Conservation rule in nuclear equations
Mass number & atomic number stay same on both sides
What determines which element an atom is
What determines which element an atom is
Number of protons
Particles lost in alpha decay
Particles lost in alpha decay
2 protons and 2 neutrons
Alpha particle notation
Alpha particle notation
Change in mass number during alpha decay
Change in mass number during alpha decay
Decreases by 4
Change in atomic number during alpha decay
Change in atomic number during alpha decay
Decreases by 2
What happens to neutron in beta-minus decay
What happens to neutron in beta-minus decay
Turns into a proton
Atomic number change in beta-minus () decay
Atomic number change in beta-minus () decay
Increases by 1
Mass number change in beta-minus decay
Mass number change in beta-minus decay
No change (stays same)
What happens to proton in beta-plus decay
What happens to proton in beta-plus decay
Turns into a neutron
Atomic number change in beta-plus () decay
Atomic number change in beta-plus () decay
Decreases by 1
Does gamma decay change the element
Does gamma decay change the element
No, element remains unchanged
Mass & atomic number change in gamma decay
Mass & atomic number change in gamma decay
Both unchanged (0)