Isotopes (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is different in isotopes of the same element?
What is different in isotopes of the same element?
Number of neutrons
What remains the same in all isotopes of an element?
What remains the same in all isotopes of an element?
Number of protons
Which are examples of isotopes?
Which are examples of isotopes?
Carbon-12, Carbon-13, Carbon-14
In atomic notation, what does represent?
In atomic notation, what does represent?
Mass number
In a neutral atom, what is true about electrons and protons?
In a neutral atom, what is true about electrons and protons?
They are equal in number
If an atom has fewer electrons than protons, what is its charge?
If an atom has fewer electrons than protons, what is its charge?
Positive
How many stable isotopes do elements usually have?
How many stable isotopes do elements usually have?
One or two
What type of process is radioactive decay?
What type of process is radioactive decay?
Totally random
What does activity measure in radioactive sources?
What does activity measure in radioactive sources?
Rate of decay
What does equal?
What does equal?
1 decay per second
What device measures the activity of a radioactive source?
What device measures the activity of a radioactive source?
Geiger-Muller tube
Is count-rate the same as activity?
Is count-rate the same as activity?
No