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Mass Number, Atomic Number And Isotopes (GCSE Physics)
The following is a GCSE Physics test covering 'Mass Number, Atomic Number And Isotopes' from the broader topic Atomic Structure. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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An isotope is best defined as:
Which sentence describes isotopes of an element?
Which calculation gives the relative atomic mass of an element from two isotopes?
What is the number of protons, neutrons and electrons in a neutral atom of ²7Al?
An element has two stable isotopes: mass 50 (abundance 20%) and mass 51 (abundance 80%). What is its relative atomic mass?
A neutral atom of an element has 15 protons and 16 neutrons. What is its mass number and atomic number?
Two isotopes of the same element have different physical properties because they:
An atom has atomic number 8 and mass number 16. How many neutrons does it have?
Which decay will decrease the mass number by 4 and the atomic number by 2?
How many neutrons are in ²5Mg (magnesium-25)?
If an atom loses an electron it becomes:
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