P2.6

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Tracers are normally what particles?
Gamma
1 of 13
What alpha particles are used in smoke detectors?
Americum-241
2 of 13
Nuclear fission is where the nucleus is split. What is it split by and what is released when split, potentially causing a chain reaction?
Neutron
3 of 13
What is the critical mass in a nuclear fission reaction?
Minimum amount needed to sustain a chain reaction
4 of 13
Why is energy released in nuclear fusion?
The new nucleus has less mass than the original
5 of 13
What do the conditions need to be like for nuclear fusion?
High temperature, high pressure
6 of 13
The simplest nuclear fusion equation is...
Hydrogen > helium + energy
7 of 13
To form a main sequence/protostar, what does gravity pull together?
Dust, hydrogen atoms and gases
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The next two stars for main sequence stars the same mass of our sun are...
Red Giant Star and Black Dwarf
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The next star for main sequence stars bigger than our sun is...
Red Supergiant Star
10 of 13
After this, the core collapses and heats so quickly, the outer layers explode in a...
Supernova explosion
11 of 13
If the remnant from this is small, it'll form a...
Neutron Star
12 of 13
If the remnant from that is large, it'll form a...
Black hole
13 of 13

Other cards in this set

Card 2

Front

What alpha particles are used in smoke detectors?

Back

Americum-241

Card 3

Front

Nuclear fission is where the nucleus is split. What is it split by and what is released when split, potentially causing a chain reaction?

Back

Preview of the front of card 3

Card 4

Front

What is the critical mass in a nuclear fission reaction?

Back

Preview of the front of card 4

Card 5

Front

Why is energy released in nuclear fusion?

Back

Preview of the front of card 5
View more cards

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