Isotopes (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What are isotopes?
What are isotopes?
Atoms of same element with different masses
What do all isotopes of the same element have in common?
What do all isotopes of the same element have in common?
Same number of protons
What is different between isotopes of the same element?
What is different between isotopes of the same element?
Number of neutrons
In a neutral atom, how do the numbers of electrons and protons compare?
In a neutral atom, how do the numbers of electrons and protons compare?
They are equal
What does the mass number () represent?
What does the mass number () represent?
Number of neutrons and protons
What does represent in atomic notation?
What does represent in atomic notation?
Proton number
If an atom has more electrons than protons, what is its charge?
If an atom has more electrons than protons, what is its charge?
If an atom has fewer electrons than protons, what is its charge?
If an atom has fewer electrons than protons, what is its charge?
How many stable isotopes do elements usually have?
How many stable isotopes do elements usually have?
One or two
What is radioactive decay?
What is radioactive decay?
Process where unstable nucleus emits radiation
What is the nature of radioactive decay?
What is the nature of radioactive decay?
Totally random process
Activity is measured in which unit, and what does unit equal?
Activity is measured in which unit, and what does unit equal?
Becquerel (Bq); decay per second
Which instrument is used to measure the activity of a radioactive source?
Which instrument is used to measure the activity of a radioactive source?
Geiger-Muller tube