31.2 - Nuclear Binding Energy Flashcards Preview

Physics - Topic 31 - Cosmology > 31.2 - Nuclear Binding Energy > Flashcards

Flashcards in 31.2 - Nuclear Binding Energy Deck (9)
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1

Why is the mass of an alpha particle not equal to the mass of 2 protons and 2 neutrons?

Due to mass loss

2

What is this proportional to?

A release of energy

3

Why?

Because E = mc^2

4

What is this energy called?

Binding energy

5

What is binding energy?

The energy required to break a compound up, or given out when forming it

6

What atom has the highest binding energy?

Iron

7

What does this mean about fusion in stars?

Once it reaches iron, no more energy can be given out

8

What type of nuclear reaction do nuclei smaller than iron undergo?

Fusion

9

What type of nuclear reaction do nuclei larger than iron undergo?

Fission