Edexcel CSF - Radioactivity
Authored by Huma Wilson
Physics
8th - 10th Grade
Used 10+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. What is the name for atoms with the same number of protons but different number of neutrons
ions
isotopes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The count rate of a radioactive sample falls from 130 Bq to 65 Bq in 15 minutes. What is its half-life
15 minutes
30 minutes
60 minutes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false? "Living cells can be damaged by ionising radiation."
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false? "The results of the alpha scattering experiment led to the development of the plum pudding model of the atom."
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of radiation is the least ionising?
Alpha
Beta
Gamma
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The typical size of an atom is approximately...
1 x 10-12 m
1 x 10-10 m
1 x 1010 m
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false? "When a radioactive nucleus emits a beta-minus particle, its atomic number increases."
True
False
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