Physics - Atomic Structure - Statistics

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Answer Stats

Hint	Answer	% Correct
How many protons are in an alpha particle?	2	70%
How many Neutrons are in an alpha particle?	2	70%
Which type of radiation is the most penetrating?	gamma	60%
Which type of radiation is the most ionising?	Alpha	50%
What happens to the atomic number (Bottom number) in a nuclear equation for beta?	decreases by 1	50%
What happens to the atomic number (Bottom number) in a nuclear equation for alpha?	Decreases by 2	50%
What happens to the atomic mass (top number) in a nuclear equation for alpha?	Decreases by 4	50%
What is this the definition of? Time taken (secs) for half the nuclei to decay.	Half life	50%
What is this the definition of? The splitting of a large, unstable nucleus.	Nuclear Fission	40%
What is this the definition of? When 2 light nuclei (e.g., hydrogen) are joined to form a heavier nucleus.	nuclear fusion	40%
What happens to the atomic mass (top number) in a nuclear equation for beta?	Stays the same	40%
What is the mass of a gamma particle?	0	30%
What stops alpha radiation?	paper	30%
number of nuclei that decay what is this the equation for? time taken (secs)	Activity	10%
What is the main use of gamma radiation?	medicine	10%
What makes up a beta particle?	1 electron	0%
What ist he main use of beta radiation?	smoke alarms	0%
What stops gamma radiation?	Thick metal	0%
What stops beta radiation?	Thin aluminium sheet	0%
What is the main use of Alpha radiation?	treating cancer	0%

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